Toyota CH-R Service Manual: Short to GND in Outer Mirror Indicator(Master) (C1AB2)

Toyota CH-R Service Manual / Park Assist / Monitoring / Blind Spot Monitor System / Short to GND in Outer Mirror Indicator(Master) (C1AB2)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH (Master) detects a short to ground in the outer rear view mirror indicator LH.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1AB2	Short to GND in Outer Mirror Indicator(Master)	Both of the following conditions are met: The blind spot monitor system is on The current that is sent from the blind spot monitor sensor to the indicator is above a specified level for a specified period of time	Outer mirror LH Outer rear view mirror assembly LH Wire harness or connector Blind spot monitor sensor LH (Master)

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When checking for DTCs, make sure that the blind spot monitor system is turned on.

PROCEDURE

CHECK DTC

(a) Turn the ignition switch off.

(b) Turn the ignition switch to ON.

Body Electrical > Blind Spot Monitor Master > Trouble Codes

OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

2.	CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH (MASTER) - OUTER REAR VIEW MIRROR ASSEMBLY LH)

(a) Disconnect the M62 blind spot monitor sensor LH (Master) connector.

(b) Disconnect the J7 outer rear view mirror assembly LH connector.

Standard Resistance:

Tester Connection	Condition	Always
M62-4 (OMIL) - Body ground	Always	10 kΩ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.	INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH

(a) Disconnect the IND1 outer mirror LH connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
J7-12 (BSL+) - Body ground	Always	10 kΩ or higher

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

4.	INSPECT OUTER MIRROR LH

(a) Remove the outer mirror LH.

Click here

(b) Inspect the outer rear view mirror indicator LH on the outer mirror LH.

Click here

REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER)

REPLACE OUTER MIRROR LH

Short to +B in Outer Mirror Indicator(Slave) (C1AB1)

DESCRIPTION This DTC is stored when the blind spot monitor sensor RH (Slave) detects a short to +B in the outer rear view mirror indicator RH. DTC No. Detection Item ...

Short to +B in Outer Mirror Indicator(Master) (C1AB0)

DESCRIPTION This DTC is stored when the blind spot monitor sensor LH (Master) detects a short to +B in the outer rear view mirror indicator LH. DTC No. Detection Item ...

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