Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FAHV
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 -           ]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB4; Open in Outer Mirror Indicator(Master); 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]

DTC

C1AB4

Open in Outer Mirror Indicator(Master)

DESCRIPTION

This DTC is stored when the blind spot monitor sensor LH detects an open in the outer rear view mirror indicator LH.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB4

Open in Outer Mirror Indicator(Master)

Both of the following conditions are met:

  • The blind spot monitor system is on
  • The current flowing to the indicator is below a specified value when indicator operation voltage is being sent to the indicator
  • 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 (OUTER REAR VIEW MIRROR ASSEMBLY LH - BLIND SPOT MONITOR SENSOR LH AND BODY GROUND)

(a) Disconnect the Q1 blind spot monitor sensor LH connector.

(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

Specified Condition

Q1-4 (OMIL) - J13-13 (BSL+)*1

Always

Below 1 Ω

Q1-4 (OMIL) - J14-1 (BSL+)*2

Always

Below 1 Ω

J13-10 (-) - Body ground*1

Always

Below 1 Ω

J14-8 (-) - Body ground*2

Always

Below 1 Ω

*1: w/ Foot Light

*2: w/o Foot Light

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.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

J13-13 (BSL+) - IND1-2 (+)*1

Always

Below 1 Ω

J14-1 (BSL+) - IND1-2 (+)*2

Always

Below 1 Ω

J13-10 (-) - IND1-1 (-)*1

Always

Below 1 Ω

J14-8 (-) - IND1-1 (-)*2

Always

Below 1 Ω

*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)