lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Fuel Injector|Service and Repair > < Circuit Test|Page 1539
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Installing Jumper Wire

- Pressurize fuel system by installing a jumper wire between Check Connector terminals +B and FP.

Testing Fuel Injector Operation - Current Applied

- Place injector over a graduated cylinder.
- Apple battery voltage to injector for 15 seconds.

Desired -

70 to 88 cc/15 seconds
Less than 9cc difference between injectors

- Disconnect battery voltage and inspect injector for leakage.

Desired -

One drop per 3 minutes or less

- Remote jumper wire.
- Reinstall injectors.

Fuel Injector|Service and Repair > < Circuit Test|Page 1539