Toyota Highlander Service Manual: Ignition

Overhaul

1. REMOVE OIL PUMP RELIEF VALVE (a) Remove the plug, spring and relief valve. 2. INSPECT OIL PUMP RELIEF VALVE (a) Apply a light coat of engine oil to the oil pump relief valve (b) Check that ...

Ignition system (2AZ-FE)

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More about Toyota Highlander:

Horn system
LOCATION INSPECTION 1. INSPECT RELAY (HORN) (a) Remove the HORN relay from the engine room J/B. (b) Measure the HORN relay resistance. Standard: 2. INSPECT HIGH PITCHED HORN ASSY (a) Check operation of the horn. Standard: If the result is not as specified, replace the horn ...