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

INSPECTION

PROCEDURE

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

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

OK:

Measurement Condition

Specified Condition

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

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

Taillight illuminates

Auxiliary battery positive (+) → Terminal 8 (B)

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

Back-up light illuminates

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

*a

Component without harness connected

(Rear Light Assembly LH)

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

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

OK:

Measurement Condition

Specified Condition

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

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

Taillight illuminates

Auxiliary battery positive (+) → Terminal 8 (B)

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

Back-up light illuminates

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

*a

Component without harness connected

(Rear Light Assembly RH)

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

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

OK:

Measurement Condition

Specified Condition

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

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

Taillight illuminates

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

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

Stop light illuminates

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

Auxiliary battery positive (+) → Terminal 6 (TRN4)

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

Turn signal lights illuminate

Auxiliary battery positive (+) → Terminal 8 (B)

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

Back-up light illuminates

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

*a

Component without harness connected

(Rear Light Assembly LH)

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

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

OK:

Measurement Condition

Specified Condition

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

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

Taillight illuminates

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

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

Stop light illuminates

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

Auxiliary battery positive (+) → Terminal 6 (TRN4)

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

Turn signal lights illuminate

Auxiliary battery positive (+) → Terminal 8 (B)

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

Back-up light illuminates

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

*a

Component without harness connected

(Rear Light Assembly RH)

    Disassembly

    Installation

    See More:

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