## Fuel Supply System

#### Fuel Pump Circuit Troubleshooting

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If you suspect a problem with the fuel pump, check that the fuel pump actually runs; when it is ON, you will hear some noise if you listen to the fuel fill port with the fuel fill cap removed. The fuel pump should run for 2 seconds when the ignition switch is first turned on. If the fuel pump does not make noise, check as follows:

NOTE: Information marked with an asterisk (*) applies to D15Y6, D15Y3 (KY model with immobiliser, KN model), D15Y5, D15Y4, D17Z1 (KQ, KZ models), D17A1 (KK model), D17A2 (except MA model) engines.

1. Turn the ignition switch OFF.
2. Remove the glove box (see page 20-79), then remove the PGM-FI main relay 2.

LHD model:

RHD model:

3. Turn the ignition switch ON (II).

4. Measure voltage between the PGM-FI main relay 2 4P connector terminal No. 4 and body ground.

Wire side of female terminals

Is there battery voltage?

YES | - Go to step 5.
NO | - Repair open in the wire between the PGM-FI main relay 1 and the PGM-FI main relay 2.

5. Measure voltage between the PGM-FI main relay 2 4P connector terminal No. 1 and body ground.

Wire side of female terminals

Is there battery voltage?

YES | - Go to step 6.
NO | - Repair open in the wire between the under dash fuse/relay box and PGM-FI main relay 2.

6. Turn the ignition switch OFF.
7. Disconnect ECM/PCM connector E (31P).