Toyota CH-R Service Manual: Terminals Of Ecu

Toyota CH-R Service Manual / Parking Brake / Electric Parking Brake System / Terminals Of Ecu

TERMINALS OF ECU

CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

Component without harness connected

(Skid Control ECU (Brake Actuator Assembly))

(a) Disconnect the A42 skid control ECU (brake actuator assembly) connectors.

(b) Measure the voltage and resistance according to the value (s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
A42-30 (+BS) - Body ground	W	Parking brake motor (parking brake actuator assembly) power supply	Always	11 to 14 V
A42-36 (IG1) - Body ground	B	IG power supply	Ignition switch ON	11 to 14 V
A42-46 (GND1) - Body ground	W-B	Ground	Always	Below 1 Ω
A42-14 (GND2) - Body ground	W-B	Ground	Always	Below 1 Ω
A42-2 (MRR+) - Body ground	B	Parking brake motor RH (parking brake actuator assembly RH) (+)	-	-
A42-3 (MRR-) - Body ground	B	Parking brake motor RH (parking brake actuator assembly RH) (-)	-	-
A42-13 (MRL+) - Body ground	R	Parking brake motor LH (parking brake actuator assembly LH) (+)	-	-
A42-12 (MRL-) - Body ground	L	Parking brake motor LH (parking brake actuator assembly LH) (-)	-	-
A42-35 (POL) - Body ground	V	Electric parking brake switch indicator light	-	-
A42-31 (SWI1) - Body ground	B	Electric parking brake switch (electric parking brake switch assembly)	-	-
A42-15 (SWI2) - Body ground	LG	Electric parking brake switch (electric parking brake switch assembly)	-	-
A42-32 (SWO1) - Body ground	P	Electric parking brake switch (electric parking brake switch assembly)	-	-
A42-16 (SWO2) - Body ground	L	Electric parking brake switch (electric parking brake switch assembly)	-	-

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC AND FREEZE FRAME DATA (USING TECHSTREAM) (a) Turn the ignition switch off. (b) Connect the Techstream to the DLC3. (c) Turn the ignition switch to ON. (d) Turn the Tec ...

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Toyota CH-R Service Manual: Terminals Of Ecu

Problem Symptoms Table

Dtc Check / Clear

Other materials:

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Toyota CH-R Service Manual