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:

On-vehicle inspection
1. INSPECT AIR-FUEL RATIO COMPENSATION SYSTEM (a) Measure the voltage between the terminals of the ECM connectors. Standard: NOTICE: Connect test leads to the connector's backside. The connectors should not be disconnected from the ECM. HINT: Voltage between the terminals of the EC ...