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

INSPECTION

PROCEDURE

1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY

(a) Disengage the clamp to disconnect the wire harness protector.

*1	Wire Harness Protector

(b) Disconnect the engine oil pressure switch assembly connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - Engine oil pressure switch assembly body	Idling	10 kΩ or higher
1 - Engine oil pressure switch assembly body	Engine stopped	Below 1 Ω

If the result is not as specified, replace the engine oil pressure switch assembly.

*a	Engine Oil Pressure Switch Assembly Body

(e) Connect the engine oil pressure switch assembly connector.

(f) Engage the clamp to connect the wire harness protector.

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Active Noise Control System: ANC ECU EEPROM Data Memory Failure (B1AA044)
DESCRIPTION This DTC are stored when a malfunction occurs in the stereo component equalizer assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA044 ANC ECU EEPROM Data Memory Failure Stereo component equalizer assembly malfunction Stereo component equalizer assembly PROCEDURE 1 ...

Toyota Avalon (XX50) 2019-2022 Owners Manual