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

INSPECTION

PROCEDURE

1. INSPECT REAR COMBINATION LIGHT ASSEMBLY LH (w/o Sequential Turn Light)

*a

Component without harness connected

(Rear Combination Light Assembly LH)

(a) Apply auxiliary battery voltage to the rear combination light assembly LH and check that the lights illuminate.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 1 (TL)

Auxiliary battery negative (-) → Terminal 4 (E)

Taillight and side marker light illuminate

Auxiliary battery positive (+) → Terminal 2 (STP)

Auxiliary battery negative (-) → Terminal 4 (E)

Stop light illuminates

Auxiliary battery positive (+) → Terminal 3 (TRN)

Auxiliary battery negative (-) → Terminal 4 (E)

Turn signal light illuminates

If the result is not as specified, replace the rear combination light assembly LH.

2. INSPECT REAR COMBINATION LIGHT ASSEMBLY RH (w/o Sequential Turn Light)

*a

Component without harness connected

(Rear Combination Light Assembly RH)

(a) Apply auxiliary battery voltage to the rear combination light assembly RH and check that the lights illuminate.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 1 (TL)

Auxiliary battery negative (-) → Terminal 4 (E)

Taillight and side marker light illuminate

Auxiliary battery positive (+) → Terminal 2 (STP)

Auxiliary battery negative (-) → Terminal 4 (E)

Stop light illuminates

Auxiliary battery positive (+) → Terminal 3 (TRN)

Auxiliary battery negative (-) → Terminal 4 (E)

Turn signal light illuminates

If the result is not as specified, replace the rear combination light assembly RH.

3. INSPECT REAR COMBINATION LIGHT ASSEMBLY LH (w/ Sequential Turn Light)

*a

Component without harness connected

(Rear Combination Light Assembly LH)

(a) Apply auxiliary battery voltage to the rear combination light assembly LH and check that the lights illuminate.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 1 (TL)

Auxiliary battery negative (-) → Terminal 4 (E)

Taillight and side marker light illuminates

Auxiliary battery positive (+) → Terminal 2 (STP)

Auxiliary battery negative (-) → Terminal 4 (E)

Stop light illuminates

Auxiliary battery positive (+) → Terminal 3 (TRN)

Auxiliary battery positive (+) → Terminal 6 (TRN2)

Auxiliary battery negative (-) → Terminal 4 (E)

Turn signal lights illuminate

If the result is not as specified, replace the rear combination light assembly LH.

4. INSPECT REAR COMBINATION LIGHT ASSEMBLY RH (w/ Sequential Turn Light)

*a

Component without harness connected

(Rear Combination Light Assembly RH)

(a) Apply auxiliary battery voltage to the rear combination light assembly RH and check that the lights illuminate.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 1 (TL)

Auxiliary battery negative (-) → Terminal 4 (E)

Taillight and side marker light illuminates

Auxiliary battery positive (+) → Terminal 2 (STP)

Auxiliary battery negative (-) → Terminal 4 (E)

Stop light illuminates

Auxiliary battery positive (+) → Terminal 3 (TRN)

Auxiliary battery positive (+) → Terminal 6 (TRN2)

Auxiliary battery negative (-) → Terminal 4 (E)

Turn signal lights illuminate

If the result is not as specified, replace the rear combination light assembly RH.

    Disassembly

    Installation

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