Dtc C1Ab0 Short To +B In Outer Mirror Indicator(Master)


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR LH CIRCUIT)

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

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

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


DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH detects a +B short in the blind spot monitor indicator LH.

DTC Code
DTC Detection Condition
Trouble Area
C1AB0
With the blind spot monitor main switch assembly (multi-function switch) on, the voltage applied to the indicator is high for a certain amount of time even though the blind spot monitor sensor is not outputting voltage to the indicator.
  1. Harness or connector
  2. Blind spot monitor sensor LH
  3. Outer rear view mirror assembly LH
  4. Outer rear view mirror sub-assembly LH

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Park Assist Monitoring.Toyota Parking Assist-Sensor System (W/ Multi-Display). Dtc C1Ab0 Short To +B In Outer Mirror Indicator(Master)


INSPECTION PROCEDURE

NOTICE:
When checking for DTCs, make sure that the blind spot monitor main switch assembly (multi-function switch) is on.
1.CHECK DTC

  1. Clear the DTCs (LandCruiser RM000004RS201SX.html).

  1. Recheck for DTCs and check if the same DTC is output again (LandCruiser RM000004RS201SX.html).

    OK:
    No DTCs are output.


NG
Go to step 2
OK

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)

2.CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR INDICATOR LH CIRCUIT)

  1. Disconnect the R42 blind spot monitor sensor LH connector.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    R42-4 (OMIL) - Body ground
    		Engine switch on (IG)
    		Below 1 V


NG
Go to step 3
OK

REPLACE BLIND SPOT MONITOR SENSOR LH (LandCruiser RM00000470F01GX.html)

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

  1. Disconnect the R42 blind spot monitor sensor LH connector.

  1. Disconnect the K2 outer rear view mirror assembly LH connector.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    R42-4 (OMIL) - Body ground
    		Engine switch on (IG)
    		Below 1 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


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

  1. Disconnect the R42 blind spot monitor sensor LH connector.

  1. Disconnect the outer rear view mirror sub-assembly LH connector.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    R42-4 (OMIL) - Body ground
    		Engine switch on (IG)
    		Below 1 V


NG
REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH (LandCruiser RM000000W1P057X.html)
OK

REPLACE OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH (LandCruiser RM000002N9G02ZX.html)