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

INSPECTION

PROCEDURE

1. INSPECT TRIP SWITCH

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
4 (RV) - 1 (E)	Light control rheostat up switch pressed	Below 50 Ω
	Light control rheostat up switch not pressed	10 kΩ or higher
	Light control rheostat down switch pressed	1.71 to 1.94 kΩ
	Light control rheostat down switch not pressed	10 kΩ or higher
3 (A/B) - 1 (E)	ODO/TRIP switch pressed	Below 50 Ω
3 (A/B) - 1 (E)	ODO/TRIP switch not pressed	10 kΩ or higher

If the result is not as specified, replace the trip switch.

*a	Component without harness connected (Trip Switch)

(b) Apply battery voltage to the trip switch and check that it illuminates.

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 5 (ILL+)

Battery negative (-) → Terminal 2 (ILL-)

Illuminates

If the result is not as specified, replace the trip switch.

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Thermostat Heater Control Circuit Short to Battery (P059712)
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Toyota Avalon (XX50) 2019-2022 Owners Manual