Toyota CH-R Service Manual: Open in Outer Mirror Indicator(Master) (C1AB4)

Toyota CH-R Service Manual / Park Assist / Monitoring / Blind Spot Monitor System / Open in Outer Mirror Indicator(Master) (C1AB4)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH (Master) detects an open in the outer rear view mirror indicator LH.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1AB4	Open in Outer Mirror Indicator(Master)	Both of the following conditions are met: The blind spot monitor system is on The current flowing to the indicator is below a specified value when indicator operation voltage is being sent to the indicator	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 (OUTER REAR VIEW MIRROR ASSEMBLY LH - BLIND SPOT MONITOR SENSOR LH (MASTER) AND BODY GROUND)

(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	Specified Condition
M62-4 (OMIL) - J7-12 (BSL+)	Always	Below 1 Ω
J7-9 (-) - Body ground	Always	Below 1 Ω

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+) - IND1-2 (+)	Always	Below 1 Ω
J7-9 (-) - IND1-1 (-)	Always	Below 1 Ω

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

Open in Outer Mirror Indicator(Slave) (C1AB5)

DESCRIPTION This DTC is stored when the blind spot monitor sensor RH (Slave) detects an open in the outer rear view mirror indicator RH. DTC No. Detection Item DTC ...

Short to GND in Outer Mirror Indicator(Slave) (C1AB3)

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

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