Dtc C1Ab4 Open In Outer Mirror Indicator(Master)


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

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

CHECK OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH

CHECK OUTER REAR VIEW MIRROR ASSEMBLY LH

DTC C1AB4 Open in Outer Mirror Indicator(Master)


DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH detects an open in the blind spot monitor indicator LH.

DTC Code
DTC Detection Condition
Trouble Area
C1AB4
With the blind spot monitor main switch assembly (multi-function switch) on, the current flowing to the indicator is below a specified value when indicator operation voltage is sent to the indicator.
  1. Harness or connector
  2. Outer rear view mirror sub-assembly LH
  3. Outer rear view mirror assembly LH
  4. Blind spot monitor sensor 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 C1Ab4 Open 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 ASSEMBLY LH - BLIND SPOT MONITOR SENSOR LH AND BODY GROUND)

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

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

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    R42-4 (OMIL) - K2-2 (BSL+)
    		Always
    		Below 1 Ω
    K2-2 (BSL+) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH

  1. Replace the outer rear view mirror sub-assembly LH with a new or normally functioning one (LandCruiser RM000002N9G02ZX.html).

  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 4
OK

END (OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH IS DEFECTIVE)

4.CHECK OUTER REAR VIEW MIRROR ASSEMBLY LH

  1. Replace the outer rear view mirror assembly LH (LandCruiser RM000000W1P057X.html).

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

END (OUTER REAR VIEW MIRROR ASSEMBLY LH IS DEFECTIVE)