Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026ZEC
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (w/ Safe Exit Assist Function): C1AB704; Rear Side Radar Sensor (Module "A") System Internal Failure; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]

DTC

C1AB704

Rear Side Radar Sensor (Module "A") System Internal Failure

DESCRIPTION

This DTC is stored when the blind spot monitor sensor RH (A) detects an internal malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

C1AB704

Rear Side Radar Sensor (Module "A") System Internal Failure

The blind spot monitor sensor RH (A) detects an internal malfunction

Blind spot monitor sensor RH (A)

Blind Spot Monitor "A"

A

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Blind Spot Monitor "A" > Trouble Codes

Result

Proceed to

C1AB704 is not output

A

C1AB704 is output

B
A

USE SIMULATION METHOD TO CHECK

B

REPLACE BLIND SPOT MONITOR SENSOR RH (A) 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL