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Toyota Workshop Service and Repair Manuals

Relays and Modules - HVAC > < Oil Level Warning Indicator Relay|Locations|Page 58
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Oil Level Warning Indicator Relay: Testing and Inspection

1. Inspect engine oil level relay.

LOCATION: In the instrument panel relay block.

A. Inspect relay continuity.

(a) Using an ohmmeter, check that there is continuity between terminals 1 and 3.
(b) Check that there is no continuity between terminals 2 and 4.

B. Inspect relay operation.

(a) Apply battery positive voltage across terminals 1 and 3.
(b) Check that there is continuity between terminals 2 and 4.

If operation is not as specified, replace the relay.

Relays and Modules - HVAC > < Oil Level Warning Indicator Relay|Locations|Page 58