Terminals Of Ecu

WARNING: This page is about a different car, the 2008 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

Fig 1: Identifying Instrument Panel Junction Block Connector Location

INSTRUMENT PANEL REFERENCE CHART

Symbols (Terminals No.)	Wiring Color	Terminal Description	Condition	Specified Condition
ACC, IG (2A-1) - GND1 (2F-16)	B-G - W-B	Battery (Power source circuit)	Always	10 to 14 V
FOG (2C-1) - GND1 (2F-16)	G-R - W-B	Front right fog light circuit	Light control switch is in the TAIL position and fog light switch is in the ON position	10 to 14 V
FOG (2C-1) - GND1 (2F-16)	G-R - W-B	Front right fog light circuit	Light control switch is in the OFF position	Below 1 V
TRLY (2C-4) - GND1 (2F-16)	G - W-B	Front right parking light circuit	Light control switch is in the TAIL position	10 to 14 V
TRLY (2C-4) - GND1 (2F-16)	G - W-B	Front right parking light circuit	Light control switch is in the OFF position	Below 1 V
HRLY (2C-10) - GND1 (2F-16)	R-B - W-B	HEAD Relay (HEAD signal)	Light control switch is in the OFF or TAIL position	10 to 14 V
HRLY (2C-10) - GND1 (2F-16)	R-B - W-B	HEAD Relay (HEAD signal)	Light control switch is in the HEAD position	Below 1 V
FOG (2C-12) - GND1 (2F-16)	G-R - W-B	Front left fog light circuit	Light control switch is in the TAIL position and fog light switch is in the ON position	10 to 14 V
FOG (2C-12) - GND1 (2F-16)	G-R - W-B	Front left fog light circuit	Light control switch is in the OFF position	Below 1 V
TRLY (2C-13) - GND1 (2F-16)	G - W-B	Front left parking light circuit	Light control switch is in the TAIL position	10 to 14 V
TRLY (2C-13) - GND1 (2F-16)	G - W-B	Front left parking light circuit	Light control switch is in the OFF position	Below 1 V
DRL (2C-23) - GND1 (2F-16)	R - W-B	DRL Relay (DRL signal)	Ignition switch is in the ON position and engine is running	Below 1 V
DRL (2C-23) - GND1 (2F-16)	R - W-B	DRL Relay (DRL signal)	Ignition switch is in the OFF position	10 to 14 V
BECU (2F-7) - GND1 (2F-16)	W-R - W-B	Battery (B+ circuit)	Always	10 to 14 V
GND1 (2F-16) - Body ground	W-B - Body ground	Body ground	Always	Below 1 V
PKB (2G-14) - GND1 (2F-16)	R-W - W-B	Parking brake switch	Parking brake is ON	Below 1 V
PKB (2G-14) - GND1 (2F-16)	R-W - W-B	Parking brake switch	Parking brake is released	10 to 14 V
ILE (2G-30) - GND1 (2F-16)	G-R - W-B	Key cylinder light (Illumination signal)	Key cylinder light is OFF	10 to 14 V
ILE (2G-30) - GND1 (2F-16)	G-R - W-B	Key cylinder light (Illumination signal)	Key cylinder light is ON	Below 1 V
ILE (2R-5) - GND1 (2F-16)	G-R - W-B	Room light illumination (Illumination signal)	Room light is OFF	10 to 14 V
ILE (2R-5) - GND1 (2F-16)	G-R - W-B	Room light illumination (Illumination signal)	Room light is ON	Below 1 V
GND2 (2K-17) - GND1 (2F-16)	W-B - W-B	Body ground	Always	Below 1 V
HU (2N-2) - GND1 (2F-16)	R-Y - W-B (1) Y - W-B (2)	Headlight dimmer switch (HIGH signal)	Headlight dimmer switch is in the LOW position	10 to 14 V
HU (2N-2) - GND1 (2F-16)	R-Y - W-B (1) Y - W-B (2)	Headlight dimmer switch (HIGH signal)	Headlight dimmer switch is in the HIGH position	Below 1 V
TRLY (20-14) - GND1 (2F-16)	G - W-B	Rear tail light circuit	Tail and license plate light is ON	10 to 14 V
TRLY (20-14) - GND1 (2F-16)	G - W-B	Rear tail light circuit	Tail and license plate light is OFF	Below 1 V
ILE (2R-5) - GND1 (2F-16)	G-R - W-B	Room light illumination (Illumination signal)	Room light is OFF	10 to 14 V
ILE (2R-5) - GND1 (2F-16)	G-R - W-B	Room light illumination (Illumination signal)	Room light is ON	Below 1 V
CLTE (B6-4) - GND1 (2F-16)	GR-R - W-B	Automatic light control sensor (Ground circuit)	Always	Below 1 V
CLTS (B6-5) - GND1 (2F-16)	P-L - W-B	Automatic light control sensor (Signal circuit)	Ignition switch is in the ON position	Signal wave form
CLTB (B6-6) - GND1 (2F-16)	V-Y - W-B	Automatic light control sensor (Power source circuit)	Ignition switch is OFF	Below 1 V
CLTB (B6-6) - GND1 (2F-16)	V-Y - W-B	Automatic light control sensor (Power source circuit)	Ignition switch is in the ON position	10 to 14 V
HF (B6-15) - GND1 (2F-16)	R-B - W-B	Headlight dimmer switch (FLASH signal)	Headlight dimmer switch is in the OFF position	10 to 14 V
HF (B6-15) - GND1 (2F-16)	R-B - W-B	Headlight dimmer switch (FLASH signal)	Headlight dimmer switch is in the FLASH position	Below 1 V
A (B6-16) - GND1 (2F-16)	W - W-B	Light control switch (AUTO signal)	Light control switch is in the OFF position	10 to 14 V
A (B6-16) - GND1 (2F-16)	W - W-B	Light control switch (AUTO signal)	Light control switch is in the AUTO position	Below 1 V
TAIL (B6-17) - GND1 (2F-16)	R - W-B	Light control switch (TAIL signal)	Light control switch is in the OFF position	10 to 14 V
TAIL (B6-17) - GND1 (2F-16)	R - W-B	Light control switch (TAIL signal)	Light control switch is in the TAIL position	Below 1 V
FFOG (B6-22) - GND1 (2F-16)	R-L - W-B	Front fog light switch (Front fog light signal)	Fog light switch is in the OFF position	10 to 14 V
FFOG (B6-22) - GND1 (2F-16)	R-L - W-B	Front fog light switch (Front fog light signal)	Fog light switch is in the ON position	Below 1 V
HEAD (B6-23) - GND1 (2F-16)	R-Y - W-B	Light control switch (HEAD signal)	Light control switch is in the OFF position	Below 1 V
HEAD (B6-23) - GND1 (2F-16)	R-Y - W-B	Light control switch (HEAD signal)	Light control switch is in the HEAD position	10 to 14 V
HIND (B7-6) - GND1 (2F-16)	LG - W-B (1) B - W-B (2)	HIGH BEAM indicator light circuit	HIGH BEAM indicator comes on	10 to 14 V
HIND (B7-6) - GND1 (2F-16)	LG - W-B (1) B - W-B (2)	HIGH BEAM indicator light circuit	HIGH BEAM indicator goes off	Below 1 V
AJAR (B7-9) - GND1 (2F-16)	G-R - W-B (1) LG - W-B (2)	DOOR warning light circuit	DOOR warning light comes on	Below 1 V
AJAR (B7-9) - GND1 (2F-16)	G-R - W-B (1) LG - W-B (2)	DOOR warning light circuit	DOOR warning light goes off	10 to 14 V
PCTY (B7-23) - GND1 (2F-16)	R-G - W-B	Courtesy switch (Front right door circuit)	Front right door is open	Below 1 V
PCTY (B7-23) - GND1 (2F-16)	R-G - W-B	Courtesy switch (Front right door circuit)	Front right door is closed	10 to 14 V
LGCY (B7-25) - GND1 (2F-16)	G-R - W-B (1) R - W-B (2)	Courtesy switch (Luggage compartment door circuit)	Luggage compartment door is open	Below 1 V
LGCY (B7-25) - GND1 (2F-16)	G-R - W-B (1) R - W-B (2)	Courtesy switch (Luggage compartment door circuit)	Luggage compartment door is closed	10 to 14 V
BCYL (B7-26) - GND1 (2F-16)	G - W-B (1) O - W-B (2)	Luggage compartment light circuit	Luggage compartment light is ON	Below 1V
BCYL (B7-26) - GND1 (2F-16)	G - W-B (1) O - W-B (2)	Luggage compartment light circuit	Luggage compartment light is OFF	10 to 14 V
LSWP (B7-27) - GND1 (2F-16)	Y - W-B	Door lock position switch (Front light door circuit)	Front right door is in the unlock position	Below 1 V
LSWP (B7-27) - GND1 (2F-16)	Y - W-B	Door lock position switch (Front light door circuit)	Front right door is in the lock position	10 to 14 V
LSWD (B8-7) - GND1 (2F-16)	BR-R - W-B (1) LG-R - W-B (2)	Door lock position switch (Front left door circuit)	Front left door is in the unlock position	Below 1 V
LSWD (B8-7) - GND1 (2F-16)	BR-R - W-B (1) LG-R - W-B (2)	Door lock position switch (Front left door circuit)	Front left door is in the lock position	10 to 14 V
DCTY (B8-14) - GND1 (2F-16)	R-G - W-B	Courtesy switch (Front left door circuit)	Front left door is open	Below 1 V
DCTY (B8-14) - GND1 (2F-16)	R-G - W-B	Courtesy switch (Front left door circuit)	Front left door is closed	10 to 14 V
ALTL (B9-5) - GND1 (2F-16)	Y-G - W-B	Generator Signal circuit	Engine is stopped	Below 1 V
ALTL (B9-5) - GND1 (2F-16)	Y-G - W-B	Generator Signal circuit	Engine is running	10 to 14 V
FFGO (B9-7) - GND1 (2F-16)	V-G - W-B (1) R-Y - W-B (2)	Front fog relay (Front fog circuit)	Front fog light is in the OFF position	10 to 14 V
FFGO (B9-7) - GND1 (2F-16)	V-G - W-B (1) R-Y - W-B (2)	Front fog relay (Front fog circuit)	Front fog light is in the ON position	Below 1 V
HINT: 1: Coupe 2: Convertible