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.

(c) Start the engine.

(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 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.