PARK ASSIST / MONITORING BLIND SPOT MONITOR SYSTEM C1AB512 Outer Mirror Indicator (Module "A" Side) Circuit Short to Battery

DESCRIPTION

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1AB512	Outer Mirror Indicator (Module "A" Side) Circuit Short to Battery	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 mirror RH (outer rear view mirror indicator RH) · Outer rear view mirror assembly RH · Harness or connector · Blind spot monitor sensor RH (A)

WIRING DIAGRAM

3.073,1.458 3.229,1.656 0.156,0.198 10 false 2 3.094,1.896 3.365,2.104 0.271,0.208 10 false 1 2.813,1.625 2.969,1.823 0.156,0.198 10 false + 2.802,2.021 2.958,2.219 0.156,0.198 10 false - 0.76,2.427 0.958,2.615 0.198,0.188 10 false A 0.75,2.594 3.208,2.938 2.458,0.344 10 false Outer Mirror RH (Outer Rear View Mirror Indicator RH) 0.479,3.74 2.958,4.031 2.479,0.292 10 false Outer Rear View Mirror Assembly RH 5.448,1.625 5.917,1.823 0.469,0.198 10 false OMIR 5.188,1.469 5.656,1.667 0.469,0.198 10 false 4 5.313,3.563 5.781,3.76 0.469,0.198 10 false Q13 5.313,3.75 6.521,4.365 1.208,0.615 10 false Blind Spot Monitor Sensor RH (A) 0.458,3.552 1.427,3.771 0.969,0.219 10 false I13 3.427,1.458 3.823,1.625 0.396,0.167 10 false BSR+ 3.646,1.896 3.906,2.083 0.26,0.188 10 false - 3.906,1.448 4.813,1.688 0.906,0.24 10 false 14*1, 13*2 3.917,1.844 4.208,2.01 0.292,0.167 10 false 10 0.167,4.521 2.646,4.813 2.479,0.292 10 false *2: for SFTM Made 0.177,4.219 2.656,4.51 2.479,0.292 10 false *1: for GTMC Made

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 hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>BLIND SPOT MONITOR SYSTEM>DTC CHECK / CLEAR202409,999999,_56,_083082,_0711992,RM100000002NQDF,

Body Electrical > Blind Spot Monitor "A" > Clear DTCs: 50002 461

b.

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

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>BLIND SPOT MONITOR SYSTEM>DTC CHECK / CLEAR202409,999999,_56,_083082,_0711992,RM100000002NQDF,

Body Electrical > Blind Spot Monitor "A" > Trouble Codes: 50001 461

OK:: No DTCs are output.

Result:

Proceed to
OK
NG

OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING201910,999999,_V1,_083040,_0402301,RM100000001JHCA,

NG

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

a.

1.5,0.25 1.875,0.542 0.375,0.292 1.875,1.146 2.385,0.51 2.385,0.51 2.583,0.51 true 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 1.563,0.323 1.875,0.521 0.313,0.198 10 false Q13 2.667,0.427 3.073,0.615 0.406,0.188 10 false OMIR

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

Disconnect the blind spot monitor sensor RH (A) connector.

b.

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
Q13-4 (OMIR) - Body ground	Ignition switch ON	Below 1 V

Result:

Proceed to
OK
NG

OK

REPLACE BLIND SPOT MONITOR SENSOR RH (A)

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>BLIND SPOT MONITOR SENSOR>REMOVAL202409,999999,_56,_083082,_0417653,RM100000002NTDY,

NG

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

a.

1.5,0.25 1.875,0.542 0.375,0.292 1.875,1.146 2.385,0.51 2.385,0.51 2.583,0.51 true 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 1.563,0.323 1.875,0.521 0.313,0.198 10 false Q13 2.667,0.427 3.073,0.615 0.406,0.188 10 false OMIR

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

Disconnect the A outer mirror RH (outer rear view mirror indicator RH) connector.

b.

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
Q13-4 (OMIR) - Body ground	Ignition switch ON	Below 1 V

Result:

Proceed to
OK
NG

OK

REPLACE OUTER MIRROR RH (OUTER REAR VIEW MIRROR INDICATOR RH)

Click hereVehicle Exterior>MIRROR (EXT)>OUTER REAR VIEW MIRROR GLASS>REMOVAL202004,999999,_59,_083099,_0400990,RM100000001MDXU,

NG

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

a.

1.5,0.25 1.875,0.542 0.375,0.292 1.875,1.146 2.385,0.51 2.385,0.51 2.583,0.51 true 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 1.563,0.323 1.875,0.521 0.313,0.198 10 false Q13 2.667,0.427 3.073,0.615 0.406,0.188 10 false OMIR

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

Disconnect the I13 outer rear view mirror assembly RH connector.

b.

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
Q13-4 (OMIR) - Body ground	Ignition switch ON	Below 1 V

Result:

Proceed to
OK
NG

OK

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH

Click hereVehicle Exterior>MIRROR (EXT)>OUTER REAR VIEW MIRROR>REMOVAL202304,999999,_59,_083099,_0400989,RM1000000029SEI,

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR