Toyota Tundra Service Manual: Short to +B in Outer Mirror Indicator(Slave) (C1AB1)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Blind Spot Monitor System / Short to +B in Outer Mirror Indicator(Slave) (C1AB1)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH detects a short to +B in the outer rear view mirror indicator LH.

DTC No.

DTC Detection Condition

Trouble Area

C1AB1

 Both of the following conditions are met:
  • The blind spot monitor system is on
  • The blind spot monitor sensor is not sending voltage to the indicator but the indicator receives voltage above a specified level for a specified period of time
  • Outer rear view mirror sub-assembly LH
  • Outer rear view mirror assembly LH
  • Harness or connector
  • Blind spot monitor sensor LH

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) Clear the DTCs.

Click here

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

Click here

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

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

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

*a

Front view of wire harness connector

(to Blind Spot Monitor Sensor LH)

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

S5-4 (OMIL) - Body ground

Ignition switch ON

Below 1 V
OK

REPLACE BLIND SPOT MONITOR SENSOR LH

NG

3.

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

(a) Disconnect the S5 blind spot monitor sensor LH connector.

*a

Front view of wire harness connector

(to Blind Spot Monitor Sensor LH)

(b) Disconnect the IND2 outer rear view mirror sub-assembly LH connector.

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

S5-4 (OMIL) - Body ground

Ignition switch ON

Below 1 V
OK

REPLACE OUTER REAR VIEW MIRROR SUB-ASSEMBLY LH

NG

4.

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

(a) Disconnect the S5 blind spot monitor sensor LH connector.

*a

Front view of wire harness connector

(to Blind Spot Monitor Sensor LH)

(b) Disconnect the N5 outer rear view monitor assembly LH connector.

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

S5-4 (OMIL) - Body ground

Ignition switch ON

Below 1 V
OK

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Short to +B in Outer Mirror Indicator(Master) (C1AB0)

    Short to GND in Outer Mirror Indicator(Master) (C1AB2)

    See More:

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