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

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Lighting (int) / Personal Light / Inspection

INSPECTION

PROCEDURE

1. INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (for Normal Roof)

(a) Apply auxiliary battery voltage to the roof console box sub-assembly and check that the lights illuminate.

OK:

Map Light LH and Map Light RH

Measurement Condition	Condition	Specified Condition
Auxiliary battery positive (+) → 10 (+B1) Auxiliary battery negative (-) → 11 (GND)	Dome light switch off and map light switch LH on	Map light LH illuminates
	Dome light switch off and map light switch RH on	Map light RH illuminates
	Map light switch LH and RH off and dome light switch on	Map light LH and RH illuminate
Auxiliary battery positive (+) → 10 (+B1) Auxiliary battery negative (-) → 1 (DOOR)	Map light switch LH and RH off and door linked switch on	Map light LH and RH illuminate
	Map light switch LH and RH off and door linked switch off	Map light LH and RH do not illuminate
Auxiliary battery positive (+) → 10 (+B1) Auxiliary battery negative (-) → 2 (RLMP)	Map light switch LH and RH off	Map light LH and RH illuminate
	Map light switch LH and RH on	Map light LH and RH do not illuminate

OK:

Switch Illumination and Shift Lever Illumination

Measurement Condition

Condition

Specified Condition

Auxiliary battery positive (+) → 20 (ILLB)

Auxiliary battery negative (-) → 13 (LILL)

Always

Switch illumination and shift lever illumination illuminate

If the result is not as specified, replace the roof console box sub-assembly.

*a	Component without harness connected (Roof Console Box Sub-assembly)

2. INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (for Moon Roof)

(a) Apply auxiliary battery voltage to the roof console box sub-assembly and check that the lights illuminate.

OK:

Map Light LH and Map Light RH

Measurement Condition	Condition	Specified Condition
Auxiliary battery positive (+) → 14 (+B1) Auxiliary battery negative (-) → 15 (GND)	Dome light switch off and map light switch LH on	Map light LH illuminates
	Dome light switch off and map light switch RH on	Map light RH illuminates
	Map light switch LH and RH off and dome light switch on	Map light LH and RH illuminate
Auxiliary battery positive (+) → 14 (+B1) Auxiliary battery negative (-) → 1 (DOOR)	Map light switch LH and RH off and door linked switch on	Map light LH and RH illuminate
	Map light switch LH and RH off and door linked switch off	Map light LH and RH do not illuminate
Auxiliary battery positive (+) → 14 (+B1) Auxiliary battery negative (-) → 2 (RLMP)	Map light switch LH and RH off	Map light LH and RH illuminate
	Map light switch LH and RH on	Map light LH and RH do not illuminate

OK:

Switch Illumination and Shift Lever Illumination

Measurement Condition

Condition

Specified Condition

Auxiliary battery positive (+) → 28 (ILLB)

Auxiliary battery negative (-) → 17 (LILL)

Always

Switch illumination and shift lever illumination illuminate

If the result is not as specified, replace the roof console box sub-assembly.

*a	Component without harness connected (Roof Console Box Sub-assembly)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Mood switch

Tester Connection	Condition	Specified Condition
27 (+B2) - 15 (GND)*1	Mood switch on	Below 1 Ω
27 (+B2) - 15 (GND)*1	Mood switch off	10 kΩ or higher

*1: w/ Mood switch

If the result is not as specified, replace the roof console box sub-assembly.

See More:

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

Components

Installation

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