Terminals Of Ecu
ECU TERMINALS VOLTAGE
| Symbols (Terminals No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| SIGNAL GND (C6-1) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| FE (C6-2) - Body ground | SB - Body ground | Ground (Fuel sender gauge assay) | Always | Below 1 Ω |
| +B (C6-3) - Body ground | V - Body ground | Battery | Always | 10 to 14 V |
| IG2 (C6-4) - Body ground | LG - Body ground | Ignition switch signal | Ignition switch OFF -> ON | Below 1 V Ω 10 to 14V |
| D-SEAT BELT (C6-5) -Body ground | L-Body ground | Seat belt condition signal (Driver side) | Driver seat belt indicator light is Blinks -> OFF | Below 1 V Ω 10 to 14 V |
| ILL+ (C6-6) - Body ground | R-Body ground | Tail light signal | Light control switch OFF -> ON | Below 1 V Ω 10 to 14 V |
| KEY SW (C6-7) - Body ground | Y - Body ground | KEY Switch signal | No ignition key inserted | 10 to 14V |
| D DOOR (C6-8) -Body ground | BR-Body ground | D Door condition signal | Driver door OPEN -> CLOSE | Below 1 V Ω 10 to 14 V |
| OIL-P (C6-9) - Body ground | W - Body ground | Oil pressure signal | OIL/P warning light ON -> OFF | Below 1 V Ω 10 to 14 V |
| BRAKE (C6-10) - Body ground | V - Body ground | Brake fluid level signal | Brake fluid level warning light ON -> OFF | 6.7 to 12 V Ω Below 1 V |
| ILL-OUT (C6-11) - Body ground | W - Body ground | Illumination signal | Ignition switch OFF -> ON (Wake up), rheostat is Max | Below 1 V Ω 10 to 14 V |
| BRAKE LEVEL (C6-12) - Body ground | B - Body ground | Brake fluid level signal | Brake fluid level warning light ON -> OFF | Below 1 V Ω 10 to 14 V |
| ABS (C6-13) - Body ground | W - Body ground | ABS signal | ignition switch ON, ABS warning light ON -> OFF | 6.7 to 12 V Ω Below 1 V |
| DOOR (C6-14) - Body ground | L - Body ground | Door condition signal (Except for D door) | Door (Except for D door) OPEN -> CLOSE | Below 1 V Ω 10 to 14 V |
| CHG- (C6-15) - Body ground | Y - Body ground | Charge signal | Ignition switch OFF -> ON | 10 to 14V Ω Below 1 V |
| P/N OUT (C6-16) - Body ground | B - Body ground | Transmission signal | P or N indicator light (A/T shift indicator) is OFF -> ON | Below 1 V Ω 7.5 to 115 V |
| CHECK E/G (C6-17) - Body ground | G - Body ground | CHECK ENGINE signal | CHECK ENGINE warning light ON -> OFF | Below 1 V Ω 10 to 14 V |
| L (C6-18) - Body ground | L - Body ground | A/T shift condition signal (L) | A/T L indicator light OFF -> ON | Below 1 V Ω t0 to 14V |
| 2 (C6-19)- Body ground | GR - Body ground | A/T shift condition signal (2) | A/T 2 indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
| 3 (C6-20) - Body ground | GR - Body ground | A/T shift condition signal (3) | A/T 3 indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
| TEMP (C6-21) - Body ground | R - Body ground | Coolant temperature signal | Ignition switch ON, coolant temperature is 90°C (194°F) | Pulse generation (See WAVE FORM 1 CONDITION ) |
| P-BELT IN (C6-22) - Body ground | LG - Body ground | Seat belt condition signal (Passenger side) | Passenger seat belt indicator light is OFF -> Blinks | Below 1 V Ω 10 to 14 V |
| FUEL (C6-23) - Body ground | G - Body ground | Fuel level signal | Ignition switch ON, fuel level is FULL -> EMPTY | Below 1 V Ω 4 to 7V |
| P-BELT OUT (C6-24) - Body ground | P - Body ground | Passenger seat belt warning output signal | Passenger seat belt indicator light is OFF -> Blinks | Below 1 V Ω 10 to 14 V |
| SPEED (C6-25) - Body ground | 0 - Body ground | Speed signal (Input) | Ignition switch ON and turn the wheel slowly | Pulse generation (See WAVE FORM 2 CONDITION ) |
| TACHO (C6-26) - Body ground | B - Body ground | Tachometer signal | Engine idle speed | Pulse generation (See WAVE FORM 3 CONDITION ) |
| 4P OUT (C6-27) - Body ground | L - Body ground | Speed signal (Output) | Ignition switch ON and turn the wheel slowly | Pulse generation (See WAVE FORM 2 CONDITION ) |
| AIR BAG (C6-29) - Body ground | R - Body ground | AIR BAG signal | AIR BAG warning light OFF -> ON | Below 1 V Ω 8 to 14 V |
| BEAM+ (C6-30) - Body ground | GR - Body ground | Hi-Beam signal | Hi-Beam OFF -> ON | Below 1 V Ω 10 to 14 V |
| BEAM- (C6-31) - Body ground | R - Body ground | Hi-Beam signal | Hi-Beam OFF -> ON | Below 1 V Ω 10 to 14 V |
| TURN L (C6-32) - Body ground | Y - Body ground | Turn signal L | Ignition switch ON, turn signal LH indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
| TURN R (C6-33) - Body ground | G - Body ground | Turn signal R | Ignition switch ON, turn signal RH indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
| CRUISE (C6-34) - Body ground | B - Body ground | CRUISE signal | Ignition switch ON and cruise indicator light ON -> OFF | Below 1 V Ω 10 to 14 V |
| TIRE PRESS (C6-36) - Body ground | LG - Body ground | TPMS signal | TPMS indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
| P (C6-37) - Body ground | B - Body ground | A/T shift condition signal (P) | A/T P indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
| R (C6-38) - Body ground | P - Body ground | A/T shift condition signal (R) | A/T R indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
| N (C6-39) - Body ground | R - Body ground | A/T shift condition signal (N) | A/T N indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
| D (C6-40) - Body ground | GR - Body ground | A/T shift condition signal (D) | A/T D indicator light OFF -> ON | Below 1 V Ω 10 to 14 V |
Wave form 1 (Reference):
WAVE FORM 1 CONDITION
| Item | Condition |
|---|---|
| Tool setting | 5 V/DIV, 10 ms/DIV |
| Vehicle condition | Ignition switch ON |
Wave form 2 (Reference):
WAVE FORM 2 CONDITION
| Item | Condition |
|---|---|
| Tool setting | 5 V/DIV, 20 ms/DIV |
| Vehicle condition | Driving at approx. 20 km/h (12.4 mph) |
Wave form 3 (Reference):
WAVE FORM 3 CONDITION
| Item | Condition |
|---|---|
| Tool setting | 5 V/DIV, 10 ms/DIV |
| Vehicle condition | Engine idle speed |
HINT:
As vehicle speed increases, the cycle of the signal wave form narrows.