PARK ASSIST / MONITORING BLIND SPOT MONITOR SYSTEM C1AB0 Short to +B in Outer Mirror Indicator(Master)

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.	Detection Item	DTC Detection Condition	Trouble Area
C1AB0	Short to +B in Outer Mirror Indicator(Master)	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 LH (outer rear view mirror indicator LH) · Outer mirror retractor LH (w/o Panoramic View Monitor System) · Harness or connector · Blind spot monitor sensor LH · Outer rear view mirror assembly LH (w/ Panoramic View Monitor System)

WIRING DIAGRAM

w/o Panoramic View Monitor System

2.552,1.469 2.708,1.667 0.156,0.198 10 false 2 2.521,1.875 2.792,2.083 0.271,0.208 10 false 1 2.344,1.594 2.5,1.792 0.156,0.198 10 false + 2.365,2.042 2.521,2.24 0.156,0.198 10 false - 0.573,2.406 1.229,2.635 0.656,0.229 10 false IND1 0.573,2.563 2.271,3.021 1.698,0.458 10 false Outer Mirror LH (Outer Rear View Mirror Indicator LH) 0.479,3.74 2.958,4.031 2.479,0.292 10 false Outer Rear View Mirror Assembly LH 6.01,1.594 6.479,1.792 0.469,0.198 10 false OMIL 5.75,1.469 6.219,1.667 0.469,0.198 10 false 4 5.844,3.552 6.313,3.75 0.469,0.198 10 false e2 5.844,3.729 7.052,4.344 1.208,0.615 10 false Blind Spot Monitor Sensor LH 0.458,3.552 0.875,3.74 0.417,0.188 10 false R20 3.844,1.49 4.24,1.656 0.396,0.167 10 false BSL+ 4.042,1.885 4.302,2.073 0.26,0.188 10 false E 4.313,1.438 4.604,1.604 0.292,0.167 10 false 1 4.344,1.854 4.635,2.021 0.292,0.167 10 false 11 2.635,2.49 4.375,2.792 1.74,0.302 10 false Outer Mirror Retractor LH

w/ Panoramic View Monitor System

0.781,2.583 3.208,3.01 2.427,0.427 10 false Outer Mirror LH (Outer Rear View Mirror Indicator LH) 0.948,3.729 3.427,3.948 2.479,0.219 10 false Outer Rear View Mirror Assembly LH 0.969,3.563 2.042,3.729 1.073,0.167 10 false R23 3.417,1.49 3.865,1.719 0.448,0.229 10 false BSL+ 3.896,1.49 4.771,1.688 0.875,0.198 10 false 7 3.896,1.875 4.552,2.042 0.656,0.167 10 false 12 3.667,1.875 4.125,2.208 0.458,0.333 10 false E 5.448,1.583 6.063,1.781 0.615,0.198 10 false OMIL 4.948,3.719 6.844,3.958 1.896,0.24 10 false Blind Spot Monitor Sensor LH 4.948,3.521 5.26,3.719 0.313,0.198 10 false e2 5.24,1.49 5.396,1.688 0.156,0.198 10 false 4 3.063,1.49 3.219,1.688 0.156,0.198 10 false 2 3.073,1.896 3.229,2.094 0.156,0.198 10 false 1 2.906,1.573 3.135,1.802 0.229,0.229 10 false + 2.917,1.969 3.073,2.167 0.156,0.198 10 false - 0.813,2.406 1.24,2.615 0.427,0.208 10 false IND1

CAUTION / NOTICE / HINT

NOTICE:: When checking for DTCs, make sure that the blind spot monitor system is turned on.

PROCEDURE

1.CHECK DTC

a.

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 / CLEAR201902,999999,_56,_079315,_0385738,RM100000001GNSA,

Body Electrical > Blind Spot Monitor Master > Trouble Codes: 50001 313

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 TROUBLESHOOTING201902,999999,_V1,_078841,_0386803,RM100000001GTWY,

NG

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

a.

1.5,0.25 1.906,0.552 0.406,0.302 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 e2 2.667,0.427 3.073,0.615 0.406,0.188 10 false OMIL

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

Disconnect the blind spot monitor sensor LH connector.

b.

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
e2-4 (OMIL) - Body ground	Ignition switch ON	Below 1 V

Result:

Proceed to
OK
NG

OK

REPLACE BLIND SPOT MONITOR SENSOR LH

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>BLIND SPOT MONITOR SENSOR>REMOVAL201906,202208,_56,_079315,_0385745,RM100000001IN04,202208,999999,_56,_079315,_0385745,RM1000000024I1T,

NG

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

a.

1.5,0.25 1.906,0.552 0.406,0.302 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 e2 2.667,0.427 3.073,0.615 0.406,0.188 10 false OMIL

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

Disconnect the blind spot monitor sensor LH connector.

b.

Disconnect the IND1 outer mirror LH (outer rear view mirror indicator LH) connector.

c.

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
e2-4 (OMIL) - Body ground	Ignition switch ON	Below 1 V

Result:

Proceed to
OK
NG

OK

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

Click hereVehicle Exterior>MIRROR (EXT)>OUTER REAR VIEW MIRROR GLASS>REMOVAL201902,999999,_59,_079319,_0387095,RM100000001GV2B,

NG

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

a.

1.5,0.25 1.906,0.552 0.406,0.302 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 e2 2.667,0.427 3.073,0.615 0.406,0.188 10 false OMIL

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

Disconnect the blind spot monitor sensor LH connector.

b.

Disconnect the R20*1 or R23*2 outer rear view mirror assembly LH connector.

*1: w/o Panoramic View Monitor System

*2: w/ Panoramic View Monitor System

c.

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
e2-4 (OMIL) - Body ground	Ignition switch ON	Below 1 V

Result:

Result	Proceed to
OK (w/o Panoramic View Monitor System)	A
OK (w/ Panoramic View Monitor System)	B
NG	C

A

REPLACE OUTER MIRROR RETRACTOR LH

Click hereVehicle Exterior>MIRROR (EXT)>OUTER REAR VIEW MIRROR>DISASSEMBLY201906,999999,_59,_079319,_0384984,RM100000001IV4R,

B

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

Click hereVehicle Exterior>MIRROR (EXT)>OUTER REAR VIEW MIRROR>REMOVAL201906,999999,_59,_079319,_0384984,RM100000001IZUT,

C

REPAIR OR REPLACE HARNESS OR CONNECTOR