On-Vehicle Inspection

PROCEDURE

1. Check the battery voltage is above 12 volts. Disconnect the negative (-) terminal cable from the battery.

CAUTION: Work must be started after 90 seconds from the time the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from the battery.





2. Remove the 2 nuts and disconnect the No.2 vacuum pipe.





3. Remove the union bolt holding the No.1 fuel pipe (fuel inlet pipe) to the delivery pipe. Remove the 2 gaskets.

CAUTION: Put a suitable container or shop rag under the delivery pipe and slowly loosen the union bolt.





4. Install the No.1 fuel pipe (fuel inlet pipe) and pressure gauge to the delivery pipe with 3 new gaskets and the union bolt.

Torque: 42 Nm (30 ft lb)

Wipe off any splattered gasoline.





5. Using jumper, connect terminals +B and FP of the Data Link Connector 1.
- Reconnect the negative (-) terminal cable to the battery.
- Turn the Ignition Switch ON.





6. Measure the fuel pressure.

Fuel pressure: 265 - 304 kPa (38 - 44 psi)

- If pressure is high, replace the Fuel Pressure Regulator.
- If pressure is low, check the following parts:
Fuel hoses and connections.
Fuel Pump.
Fuel Filter.
Fuel Pressure Regulator.





7. Remove the jumper from the Data Link Connector 1. Start the engine.





8. Disconnect the vacuum sensing hose from the Fuel Pressure Regulator, and plug the hose end and measure the fuel pressure at idle.

Fuel pressure: 265 - 304 kPa (38 - 44 psi)





9. Reconnect the vacuum sensing hose to the Fuel Pressure Regulator and measure the fuel pressure at idle.

Fuel pressure: 196 - 235 kPa (28 - 34 psi)

If pressure is not as specified, check the vacuum sensing hose and Fuel Pressure Regulator.
10 Turn the Ignition Switch to LOCK. Check that the fuel pressure remains as specified for 5 minutes after the engine is stops.

Fuel pressure: 147 kPa (21 psi) or more.

If pressure is not as specified, check the Fuel Pump, Pressure Regulator and / or Injectors.
11. After checking fuel pressure, disconnect the battery negative (-) cable and carefully remove gauge to prevent gasoline from splashing. Reconnect the No.1 fuel pipe (fuel inlet pipe) to the delivery pipe with 2 new gaskets and the union bolt.

Torque: 42 Nm (30 ft lb)

12. Install the No.2 vacuum pipe with the 2 nuts.

Torque: 21 Nm (15 ft lb)

13. Reconnect the negative (-) terminal cable to the battery.
- Check for fuel leaks.