Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT NO. 2 INTERIOR ILLUMINATION LIGHT SUB-ASSEMBLY

(a) Apply auxiliary battery voltage to the No. 2 interior illumination light sub-assembly and check that the light illuminates.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → 1 (+)

Auxiliary battery negative (-) → 2 (-)

Ambient light illuminates

If the result is not as specified, replace the No. 2 interior illumination light sub-assembly.

*a	Component without harness connected (No. 2 Interior Illumination Light Sub-assembly)

2. INSPECT NO. 3 INTERIOR ILLUMINATION LIGHT SUB-ASSEMBLY

(a) Apply auxiliary battery voltage to the No. 3 interior illumination light sub-assembly and check that the light illuminates.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → 1 (+)

Auxiliary battery negative (-) → 2 (-)

Ambient light illuminates

If the result is not as specified, replace the No. 3 interior illumination light sub-assembly.

*a	Component without harness connected (No. 3 Interior Illumination Light Sub-assembly)

3. INSPECT NO. 4 INTERIOR ILLUMINATION LIGHT SUB-ASSEMBLY

(a) Apply auxiliary battery voltage to the No. 4 interior illumination light sub-assembly and check that the light illuminates.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → 1 (+)

Auxiliary battery negative (-) → 2 (-)

Ambient light illuminates

If the result is not as specified, replace the No. 4 interior illumination light sub-assembly.

*a	Component without harness connected (No. 4 Interior Illumination Light Sub-assembly)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Front Camera System(for Gasoline Model): Yaw Rate Sensor Circuit (C1AA4,C1AA5)
DESCRIPTION The forward recognition camera receives vehicle stability signals from the yaw rate sensor (airbag ECU assembly). If the yaw rate sensor (airbag ECU assembly) detects an abnormal yaw rate sensor signal or yaw rate sensor power supply voltage, it informs the forward recognition camera via ...

Toyota Avalon (XX50) 2019-2022 Owners Manual