Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Rear Side Radar Sensor (Module "B") System Internal Failure (C1AB604)

Toyota Corolla Cross (2022-2026) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Blind Spot Monitor System / Rear Side Radar Sensor (Module "B") System Internal Failure (C1AB604)

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AB604

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

The blind spot monitor sensor LH (B) detects an internal malfunction

Blind spot monitor sensor LH (B)

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.

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

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

    READ NEXT:

     Rear Side Radar Sensor (Module "A") System Internal Failure (C1AB704)

    DESCRIPTION This DTC is stored when the blind spot monitor sensor RH (A) detects an internal malfunction. DTC No. Detection Item DTC Detection Condition

     Rear Side Radar Sensor (Module "B") Beam Axis Misalignment (Horizontal) (C1AC100)

    DESCRIPTION This DTC is stored when the angle of the blind spot monitor sensor LH (B) deviates more than the allowable range from the horizontal axis. HINT: If a drum tester such as a speedome

     Rear Side Radar Sensor (Module "A") Beam Axis Misalignment (Horizontal) (C1AC200)

    DESCRIPTION This DTC is stored when the angle of the blind spot monitor sensor RH (A) deviates more than the allowable range from the horizontal axis. HINT: If a drum tester such as a speedome

    SEE MORE:

     Mechanical System Tests

    MECHANICAL SYSTEM TESTS SHIFT TIME LAG TEST NOTICE: This test must be performed after checking and confirming that the engine is normal. Perform this test with the CVT fluid temperature between 50 and 100°C (122 and 212°F). Perform this test with the air conditioning off. Perf

     Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Circuit Short to Battery or Open (P107A15)

    DESCRIPTION Refer to DTC P107A11. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P107A15 Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Circuit Short to Battery or Open The No. 2 fuel pressure sensor (for low

    © 2020-2026 Copyright www.tcorollacross.com PT NL