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Terminals Of ECM

Fig 1: Identifying ECM Connector Terminal Identification
GTY142491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT: 

The standard normal voltage between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.

Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
A14-7 (BATT) - E3-1 (E1) B - W-B Battery (for measuring battery voltage and for ECM memory) Always 11 to 14 V
E1-1 (+BM) - E3-1 (E1) Y-B - W-B Power source of throttle actuator Always 10 to 14 V
A14-8 (IGSW) - E3-1 (E1) R - W-B Power switch Power switch on (IG) 11 to 14 V
A13-2 (+B) - E3-1 (E1) B - W-B Power source of ECM Power switch on (IG) 11 to 14 V
A13-1 (+B2) - E3-1 (E1) B - W-B Power source of ECM Power switch on (IG) 11 to 14 V
E2-4 (OE1+) - E2-3 (OE1-) R - L-W Camshaft timing oil control valve (OCV) (for Exhaust Side of Bank 1) Idling Pulse generation
(see waveform 1Fig 2)
E4-18 (OE2+) - E4-28 (OE2-) B-W - Y-B Camshaft timing oil control valve (OCV) (for Exhaust Side of Bank 2) Idling Pulse generation
(see waveform 1Fig 2)
A14-3 (MREL) - E3-1 (E1) P - W-B EFI relay (EFI MAIN, EFI MAIN2) Power switch on (IG) 10 to 14 V
E1-18 (VC) - E1-28 (E2) L - BR Power source for sensor (specific voltage) Power switch on (IG) 4.5 to 5.0 V
E1-25 (VG) - E1-24 (E2G) B-R - B-W Mass air flow meter (for Bank 1) Idling, Shift position in P or N, A/C switch OFF 0.5 to 3.0 V
E1-23 (VG2) - E1-32 (E2G2) B-R - B-W Mass air flow meter (for Bank 2) Idling, Shift lever position P or N, A/C switch OFF 0.5 to 3.0 V
E1-22 (THA) - E1-28 (E2) B-L - BR Intake air temperature sensor (for Bank 1) Idling, Intake air temperature (bank 1) 0 to 80°C (32 to 176°F) 0.5 to 3.5 V
E1-21 (THA2) - E1-28 (E2) B-L - BR Intake air temperature sensor (for Bank 2) Idling, Intake air temperature (bank 2) 0 to 80°C (32 to 176°F) 0.5 to 3.5 V
E1-19 (THW) - E1-28 (E2) R-L - BR Engine coolant temperature sensor Idling, Engine coolant temperature 60 to 80°C (140 to 176°F) 0.2 to 1.0 V
E2-34 (VCTA) - E2-35 (ETA) R - W Power source for throttle position sensor
(specific voltage)		 Power switch on (IG) 4.5 to 5.0 V
E2-26 (VTA1) - E2-35 (ETA) G - W Throttle position sensor (for engine control) Power switch on (IG), Throttle valve fully closed 0.5 to 1.2 V
Power switch on (IG), Throttle valve fully open 3.2 to 4.8 V
E2-27 (VTA2) - E2-35 (ETA) Y - W Throttle position sensor (for sensor malfunction detection) Power switch on (IG),
Accelerator pedal released		 2.1 to 3.1 V
Power switch on (IG), Accelerator pedal released 4.5 to 5.0 V
E3-5 (HA1A) - E3-4 (E04)
E3-6 (HA2A) - E4-1 (E05)		 B-R - W-B
B-R - W-B		 A/F sensor heater Power switch on (IG) 11 to 14 V
Idling Pulse generation
(see waveform 2Fig 3)
E4-23 (A1A+) - E3-1 (E1) R - W-B A/F sensor Power switch on (IG) 3.3 V*1
E4-21 (A2A+) - E3-1 (E1) B - W-B A/F sensor Power switch on (IG) 3.3 V*1
E4-22 (A1A-) - E3-1 (E1) G - W-B A/F sensor Power switch on (IG) 3.0 V*1
E4-20 (A2A-) - E3-1 (E1) W - W-B A/F sensor Power switch on (IG) 3.0 V*1
A13-4 (HT1B) - A13-5 (E03)
A13-3 (HT2B) - A13-5 (E03)		 R - W-B
GR - W-B		 Heated oxygen sensor heater Power switch on (IG) 11 to 14 V
Idling Below 3.0 V
A13-26 (OX1B) - E1-28 (E2)
A13-27 (OX2B) - E1-28 (E2)		 G - BR
W - BR		 Heated oxygen sensor Maintain engine speed at 2500 RPM for 2 minutes after warming up sensor Pulse generation
(see waveform 3Fig 4)
E4-17 (#10) - E3-1 (E1)
E2-11 (#20) - E3-1 (E1)
E4-16 (#30) - E3-1 (E1)
E2-10 (#40) - E3-1 (E1)
E4-15 (#50) - E3-1 (E1)
E2-9 (#60) - E3-1 (E1)
E4-14 (#70) - E3-1 (E1)
E2-8 (#80) - E3-1 (E1)		 G - W-B
B - W-B
GR - W-B
W - W-B
L - W-B
Y - W-B
V - W-B
R - W-B		 Injector for port injection Power switch on (IG) 11 to 14 V
Idling Pulse generation
(see waveform 4Fig 5)
E3-20 (#1) - E3-1 (E1)
E3-10 (#2) - E3-1 (E1)
E3-9 (#3) - E3-1 (E1)
E3-19 (#4) - E3-1 (E1)
E3-8 (#5) - E3-1 (E1)
E3-18 (#6) - E3-1 (E1)
E3-17 (#7) - E3-1 (E1)
E3-7 (#8) - E3-1 (E1)		 G-W - W-B
L - W-B
G-Y - W-B
W-R - W-B
G - W-B
LG - W-B
P - W-B
Y-B - W-B		 Injector for direct injection Power switch on (IG) 0 to 5 V
Idling Pulse generation
(see waveform 5Fig 6)
E2-13 (INJ1) - E3-1 (E1)
E2-12 (INJ2) - E3-1 (E1)		 P-L - W-B
L - W-B		 Fuel injector for direct injection confirmation signal Idling Pulse generation
(see waveform 5Fig 6)
E2-15 (INJ3) - E3-1 (E1)
E2-14 (INJ4) - E3-1 (E1)		 P - W-B
LG - W-B		 Fuel injector for direct injection confirmation signal Idling Pulse generation
(see waveform 5Fig 6)
E3-26 (KNK1) - E3-33 (EKNK) W - B Knock sensor (for Bank 1 Sensor 1) Maintain engine speed at 2500 RPM after warming up Pulse generation
(see waveform 6Fig 7)
E3-25 (KNK2) - E3-32 (EKN2) G - R Knock sensor (for Bank 2 Sensor 1) Maintain engine speed at 2500 RPM after warming up Pulse generation
(see waveform 6 Fig 7)
E3-24 (KNK3) - E3-31 (EKN3) W - B Knock sensor (for Bank 1 Sensor 2) Maintain engine speed at 2500 RPM after warming up Pulse generation
(see waveform 6 Fig 7)
E3-23 (KNK4) - E3-30 (EKN4) G - R Knock sensor (for Bank 2 Sensor 2) Maintain engine speed at 2500 RPM after warming up Pulse generation
(see waveform 6 Fig 7)
E2-25 (VV1+) - E2-33 (VV1-) Y - R Variable valve timing (VVT) sensor (for Intake Side of Bank 1) Idling Pulse generation
(see waveform 7Fig 8)
E4-19 (VV2+) - E4-29 (VV2-) R - W Variable valve timing (VVT) sensor (for Intake Side of Bank 2) Idling Pulse generation
(see waveform 7Fig 8)
E1-26 (EV1+) - E1-33 (EV1-) LG - L-Y Variable valve timing (VVT) sensor (for Exhaust Side of Bank 1) Idling Pulse generation
(see waveform 8Fig 9)
E3-22 (EV2+) - E3-29 (EV2-) B - Y-R Variable valve timing (VVT) sensor (for Exhaust Side of Bank 2) Idling Pulse generation
(see waveform 8 Fig 9)
E2-24 (G2+) - E2-32 (G2-) Y - R Camshaft position sensor Idling Pulse generation
(see waveform 9Fig 10)
E1-27 (NE+) - E1-34 (NE-) W - B Crankshaft position sensor Idling Pulse generation
(see waveform 7Fig 8, 8Fig 9, 9Fig 10)
E4-27 (IGT1) - E3-1 (E1)
E2-23 (IGT2) - E3-1 (E1)
E4-26 (IGT3) - E3-1 (E1)
E2-22 (IGT4) - E3-1 (E1)
E4-25 (IGT5) - E3-1 (E1)
E2-21 (IGT6) - E3-1 (E1)
E4-24 (IGT7) - E3-1 (E1)
E2-20 (IGT8) - E3-1 (E1)		 G-B - W-B
L-W - W-B
L-Y - W-B
LG - W-B
R - W-B
R-L - W-B
P-L - W-B
B-W - W-B		 Ignition coil (ignition signal) Idling Pulse generation
(see waveform 10Fig 11)
E4-32 (IGF1) - E3-1 (E1)
E2-28 (IGF2) - E3-1 (E1)		 LG - W-B
G-B - W-B		 Ignition coil (ignition confirmation signal) Power switch on (IG) 4.5 to 5.0 V
Idling Pulse generation
(see waveform 10Fig 11)
E1-17 (PRG) - E3-1 (E1) R-Y - W-B Purge VSV Power switch on (IG) 11 to 14 V
Idling Pulse generation
(see waveform 11Fig 12)
E2-7 (M+) - E2-5 (ME01) W - W-B Throttle actuator Idling with warm engine Pulse generation
(see waveform 12Fig 13)
E2-6 (M-) - E2-5 (ME01) B - W-B Throttle actuator Idling with warm engine Pulse generation
(see waveform 13Fig 14)
A14-5 (FC) - E3-1 (E1) G - W-B CIRCUIT OPENING relay (C/ OPN) Power switch on (IG) 11 to 14 V
Idling 0 to 3.0 V
A14-6 (FPR) - E3-1 (E1) Y - W-B FUEL PUMP relay (F/PMP) Power switch on (IG) 11 to 14 V
A14-11 (W) - E3-1 (E1) Y - W-B MIL Power switch on (IG) Below 3.0 V
Idling 0 to 14 V
A13-21 (TC) - E3-1 (E1) P - W-B Terminal TC of DLC3 Power switch on (IG) 11 to 14 V
A14-15 (TACH) - E3-1 (E1) BR - W-B Engine speed Idling Pulse generation
(see waveform 14Fig 15)
E1-16 (VPMP) - E3-1 (E1) R - W-B Vent valve
(built into canister pump module)		 Power switch on (IG) 11 to 14 V
E1-15 (MPMP) - E3-1 (E1) G - W-B Leak detection pump
(built into canister pump module)		 Leak detection pump OFF 0 to 3.0 V
Leak detection pump ON 11 to 14 V
E1-31 (PPMP) - E1-28 (E2) W - BR Canister pressure sensor
(built into canister pump module)		 Power switch on (IG) 3 to 4.0 V
E4-10 (FPF1) - E3-1 (E1) V - W-B Fuel pump for high pressure
(spill control valve for Bank 1)		 Idling Pulse generation
(see waveform 15Fig 16)
E4-11 (FPD) - E3-1 (E1) R-L - W-B Fuel pump for high pressure
(spill control valve for Bank 1)		 Idling Pulse generation
(see waveform 15Fig 16)
E4-12 (FPF2) - E3-1 (E1) GR - W-B Fuel pump for high pressure
(spill control valve for Bank 2)		 1200 RPM with warm engine Pulse generation
(see waveform 16Fig 17)
E4-13 (FPD2) - E3-1 (E1) L-Y - W-B Fuel pump for high pressure
(spill control valve for Bank 2)		 1200 RPM with warm engine Pulse generation
(see waveform 16Fig 17)
E3-27 (PR) - E1-28 (E2) L-Y - BR Fuel pressure sensor Idling 1.2 to 2.3 V
A13-14 (CANH) - E3-1 (E1) B - W-B CAN communication line Power switch on (IG) Pulse generation
(see waveform 17Fig 18)
A13-13 (CANL) - E3-1 (E1) W - W-B CAN communication line Power switch on (IG) Pulse generation
(see waveform 18Fig 19)
E4-7 (ASM+) - E4-6 (ASM-) L - P Intake air control valve actuator When the engine is applied to high load with warm engine Pulse generation
(see waveform 19Fig 20)
A14-4 (IREL) - E3-1 (E1) W - W-B INJ1, INJ2 relay Immediately after turning the Power switch off to on (IG) 11 to 14 V
A14-25 (KSW) - E3-1 (E1) P - W-B Park/Neutral position switch signal Power switch off → on (IG) 0 to 4.0 V
E4-9 (EMD1) - E3-1 (E1) W - W-B Camshaft timing control motor signal Idling Pulse generation
(see waveform 20Fig 21)
E2-31 (EMD2) - E3-1 (E1) W-R - W-B Camshaft timing control motor signal Idling Pulse generation
(see waveform 20 Fig 21)
E4-30 (EMR1) - E3-1 (E1) Y - W-B Camshaft timing control motor signal Idling Pulse generation
(see waveform 21Fig 22)
E2-29 (EMR2) - E3-1 (E1) Y-B - W-B Camshaft timing control motor signal Idling Pulse generation
(see waveform 21Fig 22)
E4-8 (EDT1) - E3-1 (E1) R - W-B Camshaft timing control motor signal Idling Pulse generation
(see waveform 22Fig 23)
E2-16 (EDT2) - E3-1 (E1) G-R - W-B Camshaft timing control motor signal Idling Pulse generation
(see waveform 22Fig 23)
E4-31 (EMF1) - E3-1 (E1) G - W-B Camshaft timing control motor signal Idling 0.3 to 1.3 V
E2-30 (EMF2) - E3-1 (E1) G-W - W-B Camshaft timing control motor signal Idling 0.3 to 1.3 V
A13-28 (DSVR) - E3-1 (E1) L - W-B Fuel relief valve relay Fuel relief valve relay OFF 11 to 14 V
Fuel relief valve relay ON 0 to 3 V
A13-35 (HCC1) - E3-1 (E1) R - W-B HCAC VSV Vacuum switching valve OFF 9 to 14 V
Vacuum switching valve ON 0 to 3 V
E1-8 (CCV2) - E3-1 (E1) G - W-B Fuel vapor-containment valve Close valve ON (Open) Below 1.0 V
Close valve OFF (Close) 11 to 14 V
E1-30 (THE1) - E1-28 (E2) G - BR Exhaust gas temperature sensor (for Bank 1 Sensor 1) Engine warmed up, idling 0 to 5 V
E1-29 (THE2) - E1-28 (E2) L - BR Exhaust gas temperature sensor (for Bank 2 Sensor 1) Engine warmed up, idling 0 to 5 V
A14-31 (THE3) - E1-28 (E2) R - BR Exhaust gas temperature sensor (for Bank 1 Sensor 2) Engine warmed up, idling 0 to 5 V
A14-30 (THE4) - E1-28 (E2) V - BR Exhaust gas temperature sensor (for Bank 2 Sensor 2) Engine warmed up, idling 0 to 5 V
A13-34 (PTNK) - E1-28 (E2) P - BR Fuel tank pressure sensor Power switch on (IG) 0.5 to 4.5 V
A14-19 (GO1) - E3-1 (E1) B - W-B Hybrid vehicle control ECU
(camshaft revolution signal)		 Idling Pulse generation
(see waveform 23Fig 24)
A14-27 (NEO1) - E3-1 (E1) G - W-B Hybrid vehicle control ECU
(crankshaft revolution signal)		 Idling Pulse generation
(see waveform 24Fig 25)
A13-12 (CA1H) - E3-1 (E1) B - W-B*2
Y - W-B*3		 CAN communication line Power switch on (IG) Pulse generation (see waveform 17Fig 18)
A13-11 (CA1L) - E3-1 (E1) W - W-B*2
L - W-B*3		 CAN communication line Power switch on (IG) Pulse generation (see waveform 18Fig 19)
A13-18 (CA2H) - E3-1 (E1) R - W-B CAN communication line Power switch on (IG) Pulse generation (see waveform 17Fig 18)
A13-17 (CA2L) - E3-1 (E1) G - W-B CAN communication line Power switch on (IG) Pulse generation (see waveform 18Fig 19)
A13-10 (CAN+) - E3-1 (E1) B - W-B CAN communication line Power switch on (IG) Pulse generation (see waveform 17 Fig 18)
A13-9 (CAN-) - E3-1 (E1) W - W-B CAN communication line Power switch on (IG) Pulse generation (see waveform 18 Fig 19)
A13-25 (FUEL) - E3-1 (E1) GR - W-B Fuel filler door opener switch Fuel filler door opener switch ON Below 1 V
Fuel filler door opener switch OFF 4.5 to 5.0 V
A13-8 (LIDO) - E3-1 (E1) P - W-B Fuel lid courtesy switch Fuel filler door opener switch ON 0 to 3 V
Fuel filler door opener switch OFF 9 to 14 V
A13-24 (FUO) - E3-1 (E1) R - W-B Fuel lid opener motor Fuel filler door opener switch ON Below 1 V
Fuel filler door opener switch OFF 11 to 14 V
A14-18 (LST1) - E3-1 (E1) V - W-B Fuel lid opener switch signal Power switch on (IG), fuel lid open switch OFF → ON 11 to 14 V → Below 1 V
A14-26 (LST2) - E3-1 (E1) P - W-B Fuel lid courtesy switch signal Power switch on (IG), fuel lid open switch ON → OFF 11 to 14 V → Below 1 V

HINT: 

  1. WAVEFORM 1 
    Fig 2: Identifying Waveform 1
    GTY133982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAMSHAFT TIMING OIL CONTROL VALVE (OCV) (EXHAUST SIDE):

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E2-4 (OE1+) - E2-3 (OE1-) 5 V/DIV., 1 msec./DIV. Idling with warm engine
    E4-18 (OE2+) - E4-28 (OE2-) 5 V/DIV., 1 msec./DIV. Idling with warm engine
  2. WAVEFORM 2 
    Fig 3: Identifying Waveform 2
    GTY105432Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    A/F SENSOR HEATER:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E3-5 (HA1A) - E3-4 (E04) 5 V/DIV., 10 msec./DIV. Idling with warm engine
    E3-6 (HA2A) - E4-1 (E05) 5 V/DIV., 10 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  3. WAVEFORM 3 
    Fig 4: Identifying Waveform 3
    GTY136932Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    HEATED OXYGEN SENSOR:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    A13-26 (OX1B) - E1-28 (E2) 0.2 V/DIV., 200 msec./DIV. Engine speed maintained at 2500 RPM for 2 minutes after warming up
    A13-27 (OX2B) - E1-28 (E2) 0.2 V/DIV., 200 msec./DIV. Engine speed maintained at 2500 RPM for 2 minutes after warming up

    HINT: 

    In Data List, item O2S B1S2 or O2S B2S2 shows the ECM input values from the heated oxygen sensor.

  4. WAVEFORM 4 
    Fig 5: Waveform 4 Graph
    GTY138996Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    INJECTOR FOR PORT INJECTION NO. 1 (TO NO. 8) INJECTION SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E4-17 (#10) - E3-1 (E1) 20 V/DIV., 1 msec./DIV. Idling and engine coolant temperature 60°C (140°F) or less
    E2-11 (#20) - E3-1 (E1) 20 V/DIV., 1 msec./DIV. Idling and engine coolant temperature 60°C (140°F) or less
    E4-16 (#30) - E3-1 (E1) 20 V/DIV., 1 msec./DIV. Idling and engine coolant temperature 60°C (140°F) or less
    E2-10 (#40) - E3-1 (E1) 20 V/DIV., 1 msec./DIV. Idling and engine coolant temperature 60°C (140°F) or less
    E4-15 (#50) - E3-1 (E1) 20 V/DIV., 1 msec./DIV. Idling and engine coolant temperature 60°C (140°F) or less
    E2-9 (#60) - E3-1 (E1) 20 V/DIV., 1 msec./DIV. Idling and engine coolant temperature 60°C (140°F) or less
    E4-14 (#70) - E3-1 (E1) 20 V/DIV., 1 msec./DIV. Idling and engine coolant temperature 60°C (140°F) or less
    E2-8 (#80) - E3-1 (E1) 20 V/DIV., 1 msec./DIV. Idling and engine coolant temperature 60°C (140°F) or less

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  5. WAVEFORM 5 
    Fig 6: Identifying Waveform 5
    GTY100143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    INJECTOR FOR DIRECT INJECTION NO. 1 (TO NO. 8) INJECTION SIGNAL AND INJECTION CONFIRMATION SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    CH1: E3-20 (#1) - E3-1 (E1) or E3-18 (#6) - E3-1 (E1)
    CH2: E2-13 (INJ1) - E3-1 (E1)    		 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E3-19 (#4) - E3-1 (E1) or E3-17 (#7) - E3-1 (E1)
    CH2: E2-12 (INJ2) - E3-1 (E1)    		 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E3-8 (#5) - E3-1 (E1) or E3-7 (#8) - E3-1 (E1)
    CH2: E2-15 (INJ3) - E3-1 (E1)    		 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E3-10 (#2) - E3-1 (E1) or E3-9 (#3) - E3-1 (E1)
    CH2: E2-14 (INJ4) - E3-1 (E1)    		 2 V/DIV., 20 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  6. WAVEFORM 6 
    Fig 7: Identifying Waveform 6
    GTY354107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    KNOCK SENSOR:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E3-26 (KNK1) - E3-33 (EKNK) 1 V/DIV., 1 msec./DIV. Engine speed maintained at 4000 RPM after warming up engine
    E3-25 (KNK2) - E3-32 (EKN2) 1 V/DIV., 1 msec./DIV. Engine speed maintained at 4000 RPM after warming up engine
    E3-24 (KNK3) - E3-31 (EKN3) 1 V/DIV., 1 msec./DIV. Engine speed maintained at 4000 RPM after warming up engine
    E3-23 (KNK4) - E3-30 (EKN4) 1 V/DIV., 1 msec./DIV. Engine speed maintained at 4000 RPM after warming up engine

    HINT: 

    • The wavelength becomes shorter as the engine RPM increases.
    • The waveforms and amplitudes displayed differ slightly depending on the vehicle.
  7. WAVEFORM 7 
    Fig 8: Identifying Waveform 7
    GTY100600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CRANKSHAFT POSITION SENSOR AND VVT SENSOR FOR INTAKE SIDE:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    (a) E1-27 (NE+) - E1-34 (NE-) 5 V/DIV., 20 msec./DIV. Idling with warm engine
    (b) E2-25 (VV1+) - E2-33 (VV1-) 5 V/DIV., 20 msec./DIV. Idling with warm engine
    (c) E4-19 (VV2+) - E4-29 (VV2-) 5 V/DIV., 20 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  8. WAVEFORM 8 
    Fig 9: Identifying Waveform 8
    GTY102155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CRANKSHAFT POSITION SENSOR AND VVT SENSOR FOR EXHAUST SIDE:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    (a) E1-27 (NE+) - E1-34 (NE-) 5 V/DIV., 20 msec./DIV. Idling with warm engine
    (b) E1-26 (EV1+) - E1-33 (EV1-) 5 V/DIV., 20 msec./DIV. Idling with warm engine
    (c) E3-22 (EV2+) - E3-29 (EV2-) 5 V/DIV., 20 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  9. WAVEFORM 9 
    Fig 10: Identifying Waveform 9
    GTY105354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CRANKSHAFT POSITION SENSOR AND CAMSHAFT POSITION SENSOR:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    CH1: E1-27 (NE+) - E1-34 (NE-) 5 V/DIV., 20 msec./DIV. Idling with warm engine
    CH2: E2-24 (G2+) - E2-32 (G2-) 5 V/DIV., 20 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  10. WAVEFORM 10 
    Fig 11: Identifying Waveform 10
    GTY105355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    IGNITER IGT SIGNAL (FROM ECM TO IGNITER) AND IGNITER IGF SIGNAL (FROM IGNITER TO ECM):

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    CH1: E4-27 (IGT1) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E2-23 (IGT2) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E4-26 (IGT3) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E2-22 (IGT4) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E4-25 (IGT5) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E2-21 (IGT6) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E4-24 (IGT7) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH1: E2-20 (IGT8) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH2: E4-32 (IGF1) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine
    CH2: E2-28 (IGF2) - E3-1 (E1) 2 V/DIV., 20 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  11. WAVEFORM 11 
    Fig 12: Identifying Waveform 11
    GTY143751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    PURGE VSV:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E1-17 (PRG) - E3-1 (E1) 10 V/DIV., 20 msec./DIV. Idling with warm engine

    HINT: 

    If the waveform is not similar to the illustration, check the waveform again after idling for 10 minutes or more.

  12. WAVEFORM 12 
    Fig 13: Identifying Waveform 12
    GTY348955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    THROTTLE ACTUATOR POSITIVE TERMINAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E2-7 (M+) - E2-5 (ME01) 5 V/DIV., 1 msec./DIV. Idling with warm engine

    HINT: 

    The duty ratio varies depending on the throttle actuator operation.

  13. WAVEFORM 13 
    Fig 14: Identifying Waveform 13
    GTY352861Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    THROTTLE ACTUATOR NEGATIVE TERMINAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E2-6 (M-) - E2-5 (ME01) 5 V/DIV., 1 msec./DIV. Idling with warm engine

    HINT: 

    The duty ratio varies depending on the throttle actuator operation.

  14. WAVEFORM 14 
    Fig 15: View Of Waveform 14
    GTY139345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ENGINE SPEED SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    A14-15 (TACH) - E3-1 (E1) 5 V/DIV., 10 msec./DIV. Idling

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  15. WAVEFORM 15 
    Fig 16: Identifying Waveform 15
    GTY103647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    FUEL PUMP FOR HIGH PRESSURE (SPILL CONTROL VALVE) (BANK 1):

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    CH1: E4-11 (FPD) - E3-1 (E1) 2 V/DIV., 5 msec./DIV. Idling with warm engine
    CH2: E4-10 (FPF1) - E3-1 (E1) 2 V/DIV., 5 msec./DIV. Idling with warm engine
  16. WAVEFORM 16 
    Fig 17: Identifying Waveform 16
    GTY105379Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    FUEL PUMP FOR HIGH PRESSURE (SPILL CONTROL VALVE) (BANK 2):

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    CH1: E4-13 (FPD2) - E3-1 (E1) 2 V/DIV., 5 msec./DIV. 1200 RPM with warm engine
    CH2: E4-12 (FPF2) - E3-1 (E1) 2 V/DIV., 5 msec./DIV. 1200 RPM with warm engine
  17. WAVEFORM 17 
    Fig 18: Identifying Waveform 17
    GTY102410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAN COMMUNICATION SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    A13-14 (CANH) - E3-1 (E1)
    A13-12 (CA1H) - E3-1 (E1)
    A13-18 (CA2H) - E3-1 (E1)
    A13-10 (CAN+) - E3-1 (E1)    		 1 V/DIV., 10 μsec./DIV. Engine stopped and power switch on (IG)

    HINT: 

    The waveform varies depending on the CAN communication signal.

  18. WAVEFORM 18 
    Fig 19: Identifying Waveform 18
    GTY103745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAN COMMUNICATION SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    A13-13 (CANL) - E3-1 (E1)
    A13-11 (CA1L) - E3-1 (E1)
    A13-17 (CA2L) - E3-1 (E1)
    A13-9 (CAN-) - E3-1 (E1)    		 1 V/DIV., 10 μsec./DIV. Engine stopped and power switch on (IG)

    HINT: 

    The waveform varies depending on the CAN communication signal.

  19. WAVEFORM 19 
    Fig 20: Waveform 19 Graph
    GTY148477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    INTAKE AIR CONTROL VALVE SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E4-7 (ASM+) - E4-6 (ASM-) 5 V/DIV., 5 msec./DIV. When the engine is applied to high load with warm engine
  20. WAVEFORM 20 
    Fig 21: Waveform 20 Graph
    GTY136461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAMSHAFT TIMING CONTROL MOTOR EMD SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E4-9 (EMD1) - E3-1 (E1) 2 V/DIV., 100 msec./DIV. Idling with warm engine
    E2-31 (EMD2) - E3-1 (E1) 2 V/DIV., 100 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  21. WAVEFORM 21 
    Fig 22: Waveform 21 Graph
    GTY122344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAMSHAFT TIMING CONTROL MOTOR EMR SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E4-30 (EMR1) - E3-1 (E1) 2 V/DIV., 5 msec./DIV. Idling with warm engine
    E2-29 (EMR2) - E3-1 (E1) 2 V/DIV., 5 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  22. WAVEFORM 22 
    Fig 23: Waveform 22 Graph
    GTY126153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAMSHAFT TIMING CONTROL MOTOR EDT SIGNAL:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    E4-8 (EDT1) - E3-1 (E1) 1 V/DIV., 5 msec./DIV. Idling with warm engine
    E2-16 (EDT2) - E3-1 (E1) 1 V/DIV., 5 msec./DIV. Idling with warm engine

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  23. WAVEFORM 23 
    Fig 24: Waveform 23 Graph
    GTY142904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAMSHAFT REVOLUTION SIGNAL FROM ECM TO HV CONTROL ECU OR MG ECU:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    A14-19 (GO1) - E3-1 (E1) 5 V/DIV., 20 msec./DIV. Idling

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

  24. WAVEFORM 24 
    Fig 25: Waveform 24 Graph
    GTY148476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CRANKSHAFT REVOLUTION SIGNAL FROM ECM TO HV CONTROL ECU:

    Terminal No.
    (Symbols)    		 Tool Setting Condition
    A14-27 (NEO1) - E3-1 (E1) 5 V/DIV., 1 msec./DIV. Idling

    HINT: 

    The wavelength becomes shorter as the engine RPM increases.

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