ES 300 V6-3.0L (3VZ-FE) (1992)
Fuel Pressure: Testing and Inspection
Jumper Installation
1. CHECK FUEL PUMP OPERATION
- Using a suitable jumper wire, connect terminals +B and FP of the data link connector 1.
- Turn the ignition switch ON.
NOTICE:Do not start the engine.
Checking Fuel Pump Operation
- Check that there is pressure in the hose from the fuel filter.
HINT: At this time, you will hear fuel return noise.
2. CHECK FUEL PRESSURE
- Check that the battery voltage is above 12 volts.
- Disconnect the cable from the negative (-) terminal of the battery.
CAUTION:With Airbag work must be started after approx. 30 seconds or longer from the time the ignition switch is turned to the LOCK position
and the negative (-) terminal cable is disconnected from the battery.
Cold Start Valve Line
- Disconnect the cold start injector connector.
- Put a suitable container or shop towel under the cold start injector pipe (No.2 fuel pipe).
- Remove the union bolt and two gaskets, and disconnect the cold start injector pipe from the cold start injector.
HINT: Slowly loosen the union bolt.