Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000015GU7
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 -           ]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB4; Open in Outer Mirror Indicator(Master); 2018 - 2024 MY Camry HV [07/2017 -        ]

DTC

C1AB4

Open in Outer Mirror Indicator(Master)

DESCRIPTION

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

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 RH
  • Outer rear view mirror assembly with cover RH
  • Wire 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

1.

CHECK DTC

(a) Turn the power switch off.

(b) Turn the power switch on (IG).

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

Body Electrical > Blind Spot Monitor Master > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK 2018 MY Camry HV [07/2017 - 09/2018]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2019 MY Camry HV [09/2018 - 09/2019]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2020 MY Camry HV [09/2019 - 10/2020]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2021 MY Camry HV [10/2020 - 08/2021]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2022 - 2024 MY Camry HV [08/2021 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

NG

2.

CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY WITH COVER RH - BLIND SPOT MONITOR SENSOR RH AND BODY GROUND)

(a) Disconnect the W5 blind spot monitor sensor RH connector.

(b) Disconnect the N18*1 or N17*2 outer rear view mirror assembly with cover RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

W5-4 (OMIR) - N18-1 (BSR+)*1

Always

Below 1 Ω

W5-4 (OMIR) - N17-8 (BSR+)*2

Always

Below 1 Ω

N18-4 (E) - Body ground*1

Always

Below 1 Ω

N17-15 (E) - Body ground*2

Always

Below 1 Ω
  • *1: w/o Panoramic View Monitor System
  • *2: w/ Panoramic View Monitor System
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY WITH COVER RH

(a) Disconnect the IND1 outer mirror RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N18-1 (BSR+) - IND1-2 (+)*1

Always

Below 1 Ω

N17-8 (BSR+) - IND1-2 (+)*2

Always

Below 1 Ω

N18-4 (E) - IND1-1 (-)*1

Always

Below 1 Ω

N17-15 (E) - IND1-1 (-)*2

Always

Below 1 Ω
  • *1: w/o Panoramic View Monitor System
  • *2: w/ Panoramic View Monitor System
NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY WITH COVER RH 2018 - 2019 MY Camry HV [07/2017 - 09/2019]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL 2020 MY Camry HV [09/2019 - 10/2020]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL

OK

4.

INSPECT OUTER MIRROR RH

(a) Remove the outer mirror RH.

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR GLASS: REMOVAL

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

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR GLASS: INSPECTION

OK

REPLACE BLIND SPOT MONITOR SENSOR RH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

NG

REPLACE OUTER MIRROR RH