lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

High Pressure Oil Pump|Locations|Page 6164 > < High Pressure Oil Pump|Locations|Page 6162
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High Pressure Oil Pump: Testing and Inspection

ON-VEHICLE INSPECTION

1. CHECK HIGH PRESSURE SIDE FUEL PUMP OPERATION

a. Remove the V-bank cover.
b. Start the engine.
c. Using a sound scope, check the operating sound of the pump.

If there is no sound, check the fuel pump, wire harness and ECM.

d. Stop the engine.
e. Reinstall the V-bank cover.

2. INSPECT HIGH PRESSURE SIDE FUEL PUMP

a. Measure the resistance between the terminals.

Standard resistance:1.19 to 1.39 Ohms at 20 degrees C (68 degrees F)

If the result is not as specified, replace the fuel pump.

High Pressure Oil Pump|Locations|Page 6164 > < High Pressure Oil Pump|Locations|Page 6162