FUEL WARMER INSPECTION (European (L.H.D.) specs.) [WL-C, WE-C]

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Resistance Inspection

1.  Remove the fuel warmer. (See FUEL FILTER (HIGH-PRESSURE) REMOVAL/INSTALLATION [WL-C, WE-C].)

2.  Verify that the resistance between terminal A and the fuel warmer body is within the specification when vacuum of -31.3— -37.3 kPa {-235— -279 mmHg, -9.3— -11.0 inHg} is applied to the fuel warmer.

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•  If as specified, carry out the “Circuit Open/Short Inspection”.

•  If not as specified, replace the fuel warmer.

Specification

Circuit Open/Short Inspection

1.  Inspect for open/short circuit in the following wiring harnesses.

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•  If there is open/short circuit, repair or replace wiring harnesses.

Open circuit

•  If there is no continuity, the circuit is open. Repair or replace the harness.

―  Fuel warmer terminal A and body ground

―  Fuel warmer terminal B and power supply

Short circuit

•  If there is continuity, the circuit is shorted. Repair or replace the harness.

―  Fuel warmer terminal B and body ground