Toyota Tundra Service Manual: Short to GND in Outer Mirror Indicator(Master) (C1AB2)

Toyota Tundra Service Manual / Audio, Visual, Telematics / 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 RH detects a short to ground in the outer rear view mirror indicator RH.

DTC No.	DTC Detection Condition	Trouble Area
C1AB2	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 rear view mirror sub-assembly RH Outer rear view mirror assembly RH Harness or connector Blind spot monitor sensor RH

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) 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.

USE SIMULATION METHOD TO CHECK

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

(a) Disconnect the S6 blind spot monitor sensor RH connector.

*a	Front view of wire harness connector (to Blind Spot Monitor Sensor RH)

(b) Disconnect the M6 outer rear view mirror assembly RH connector.

Standard Resistance:

Tester Connection	Condition	Always
S6-4 (OMIR) - Body ground or other terminal	Always	10 kΩ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.	INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH

(a) Disconnect the M6 outer rear view mirror assembly RH connector.

w/ Memory

w/o Memory

Component without harness connected

(Outer Rear View Mirror Assembly RH)

(b) Disconnect the IND1 outer rear view mirror sub-assembly RH connector.

Standard Resistance:

w/ Memory

Tester Connection	Condition	Always
M6-9 (BSR+) - Body ground or other terminal	Always	10 kΩ or higher

w/o Memory

Tester Connection	Condition	Always
M6-18 (BSR+) - Body ground or other terminal	Always	10 kΩ or higher

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH

4.	INSPECT OUTER REAR VIEW MIRROR SUB-ASSEMBLY RH

(a) Remove the outer rear view mirror sub-assembly RH.

Click here

(b) Inspect the outer rear view mirror indicator RH on the outer rear view mirror sub-assembly RH.

Click here

REPLACE BLIND SPOT MONITOR SENSOR RH

REPLACE OUTER REAR VIEW MIRROR SUB-ASSEMBLY RH

Short to +B in Outer Mirror Indicator(Slave) (C1AB1)

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

See More:

Toyota Tundra Owners Manual > Using the driving support systems: BSM (Blind Spot Monitor)
Summary of the Blind Spot Monitor The Blind Spot Monitor is a system that has 2 functions; The Blind Spot Monitor function Assists the driver in making the decision when changing lanes The Rear Cross Traffic Alert function Assists the driver when backing up These functions use same sensors. Multi-in ...