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

INSPECTION

PROCEDURE

1. INSPECT STEERING HEATER SWITCH

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
5 (IG) - 2 (B)	Steering heater switch is pushed	Below 1 Ω
5 (IG) - 2 (B)	Steering heater switch is not pushed	10 kΩ or higher

If the result is not as specified, replace the steering heater switch.

*a	Component without harness connected (Steering Heater Switch)

(b) Indicator Inspection

(1) Apply battery voltage to the steering heater switch and check that the indicator illuminates.

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 2 (B)

Battery negative (-) → Terminal 4 (E)

Illuminates

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Knock Sensor 1 Bank 1 or Single Sensor Circuit Short to Ground (P032511,P033011)
DESCRIPTION A flat-type knock control sensor (non-resonant type) has a structure that can detect vibrations between approximately 5 kHz and 15 kHz. The knock control sensor is fitted onto the engine block to detect engine knocking. The knock control sensor contains a piezoelectric element which gene ...

Toyota Avalon (XX50) 2019-2022 Owners Manual