Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FAHT
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 -           ]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB2; Short to GND in Outer Mirror Indicator(Master); 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]

DTC

C1AB2

Short to GND in Outer Mirror Indicator(Master)

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB2

Short to GND in Outer Mirror Indicator(Master)

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 mirror LH (outer rear view mirror indicator 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) Turn the ignition switch off.

(b) Turn the ignition switch to ON.

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

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: DTC CHECK / CLEAR

Body Electrical > Blind Spot Monitor Master > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

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

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

*a

Front view of wire harness connector

(to Blind Spot Monitor Sensor LH)

(b) Disconnect the J13*1 or J14*2 outer rear view mirror assembly LH connector.

*1: w/ Foot Light

*2: w/o Foot Light

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

Standard Resistance:

Tester Connection

Condition

Always

Q1-4 (OMIL) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH

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

*A

w/ Foot Light

*B

w/o Foot Light

*a

Component without harness connected

(Outer Rear View Mirror Assembly LH)

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

Standard Resistance:

Tester Connection

Condition

Always

J13-13 (BSL+) - Body ground*1

Always

10 kΩ or higher

J14-1 (BSL+) - Body ground*2

Always

10 kΩ or higher

*1: w/ Foot Light

*2: w/o Foot Light

NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

OK

4.

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

(a) Remove the outer mirror LH (outer rear view mirror indicator LH).

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR GLASS: REMOVAL

(b) Inspect the outer mirror LH (outer rear view mirror indicator LH).

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR GLASS: INSPECTION

OK

REPLACE BLIND SPOT MONITOR SENSOR LH 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2020 - 2021 MY RAV4 RAV4 HV [10/2019 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

NG

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