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

INSPECTION

PROCEDURE

1. INSPECT HEADLIGHT ASSEMBLY LH (w/o Cornering Light)

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

OK:

Measurement Condition	Specified Condition
Auxiliary battery positive (+) → Terminal 4 (LO) Auxiliary battery negative (-) → Terminal 7 (E)	Lo beam headlight illuminates
Auxiliary battery positive (+) → Terminal 3 (HI) Auxiliary battery negative (-) → Terminal 7 (E)	Hi beam headlight illuminates
Auxiliary battery positive (+) → Terminal 1 (B) Auxiliary battery positive (+) → Terminal 4 (LO) Auxiliary battery negative (-) → Terminal 7 (E)	Daytime running light illuminates
Auxiliary battery positive (+) → Terminal 5 (B) Auxiliary battery negative (-) → Terminal 7 (E)	Parking light light illuminates
Auxiliary battery positive (+) → Terminal 2 (B) Auxiliary battery negative (-) → Terminal 7 (E)	Turn signal light illuminates
Auxiliary battery positive (+) → Terminal 6 (B) Auxiliary battery negative (-) → Terminal 7 (E)	Side marker light illuminates

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

*a	Component without harness connected (Headlight Assembly LH)

2. INSPECT HEADLIGHT ASSEMBLY RH (w/o Cornering Light)

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

OK:

Measurement Condition	Specified Condition
Auxiliary battery positive (+) → Terminal 4 (LO) Auxiliary battery negative (-) → Terminal 7 (E)	Lo beam headlight illuminates
Auxiliary battery positive (+) → Terminal 3 (HI) Auxiliary battery negative (-) → Terminal 7 (E)	Hi beam headlight illuminates
Auxiliary battery positive (+) → Terminal 1 (B) Auxiliary battery positive (+) → Terminal 4(LO) Auxiliary battery negative (-) → Terminal 7 (E)	Daytime running light illuminates
Auxiliary battery positive (+) → Terminal 5 (B) Auxiliary battery negative (-) → Terminal 7 (E)	Parking light light illuminates
Auxiliary battery positive (+) → Terminal 2 (B) Auxiliary battery negative (-) → Terminal 7 (E)	Turn signal light illuminates
Auxiliary battery positive (+) → Terminal 6 (B) Auxiliary battery negative (-) → Terminal 7 (E)	Side marker light illuminates

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

*a	Component without harness connected (Headlight Assembly RH)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Power Steering System(for Hv Model): Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTCs (USING TECHSTREAM) (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Chassis / EMPS / Trouble Codes. Chassis > EMPS > Trouble Codes (f) Check the deta ...

Toyota Avalon (XX50) 2019-2022 Owners Manual