Terminals Of Ecu

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Inspect the connectors from the back side while the connectors are connected.

CHECK TIRE PRESSURE MONITOR ECU

Fig 1: Identifying Tire Pressure Monitor ECU Connector Terminals

TIRE PRESSURE MONITOR ECU CONNECTOR TERMINALS SPECIFIED CONDITIONS

Symbols (Terminal No.)	Wiring Color	Terminal Description	Condition	Specified Condition
IG (T25-1) - GND (T25-9)	B-W - W-B	IG power source	Ignition switch ON	10 to 16
SPD (T25-3) - GND (T25-9)	V-W - W-B	Vehicle speed signal	Vehicle is running	Pulse generation
SIL (T25-4) - GND (T25-9)	V-W - W-B	Diagnosis tester communication line	Ignition switch ON, when communication is not performed with a tester	8 to 15 V
IND (T25-5) - GND (T25-9)	G-R - W-B	Tire pressure warning light output signal	Ignition switch ON, tire pressure warning light ON	Below 0.5 V
CALSW (T25-8) - GND (T25-9)	G-W - W-B	Tire pressure warning reset switch	Ignition switch ON Tire pressure warning reset switch OFF	8 to 15 V
CALSW (T25-8) - GND (T25-9)	G-W - W-B	Tire pressure warning reset switch	Ignition switch ON Tire pressure warning reset switch ON	Below 1.5 V
IDSW (T25-7) - GND (T25-9)	G - W-B	Tire pressure select switch	Ignition switch ON Tire pressure select switch ON	Below 1.5 V
IDSW (T25-7) - GND (T25-9)	G - W-B	Tire pressure select switch	Ignition switch ON Tire pressure select switch OFF	8 to 15 V
GND (T25-9) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
TC (T25-10) - GND (T25-9)	P-B - W-B	TC terminal	When terminal TC is not connected	8 to 15 V