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

1.

CHECK DTC

(a) Turn the ignition switch off.

(b) Turn the ignition switch to ON.

(c) Recheck for DTCs and check if the same DTC is output again.

Body Electrical > Blind Spot Monitor Master > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

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.

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

Standard Resistance:

Tester Connection

Condition

Always

M62-4 (OMIL) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

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
NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

OK

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

OK

REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER)

NG

REPLACE OUTER MIRROR LH

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