| CHECK POWER SUPPLY LINE. |
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1) Turn the ignition switch to ON. 2) Measure the voltage between fuel injector and engine ground on faulty cylinders. Connector & terminal #1 (E5) No. 2 (+) — Engine ground (−): #2 (E16) No. 2 (+) — Engine ground (−): #3 (E6) No. 2 (+) — Engine ground (−): #4 (E17) No. 2 (+) — Engine ground (−): |
| QUESTION | |
|
Is the voltage 10 V or more? | |
| Yes | No |
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Repair the poor contact of all connectors in fuel injector circuit. |
Repair the harness and connector. NOTE: In this case, repair the following item: • Open circuit in harness between the main relay and fuel injector connector on faulty cylinders • Poor contact of coupling connector • Poor contact of main relay connector |