| CHECK HARNESS BETWEEN ECM AND FUEL INJECTOR CONNECTOR. |
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1) Turn the ignition switch to OFF. 2) Disconnect the connector from ECM and fuel injector on faulty cylinders. 3) Measure the resistance of harness between ECM connector and fuel injector connector. Connector & terminal #1 (B134) No. 21 — (E5) No. 1: #1 (B134) No. 39 — (E5) No. 2: #1 (B134) No. 40 — (E5) No. 2: #2 (B134) No. 21 — (E16) No. 1: #2 (B134) No. 37 — (E16) No. 2: #2 (B134) No. 38 — (E16) No. 2: #3 (B134) No. 20 — (E6) No. 1: #3 (B134) No. 18 — (E6) No. 2: #3 (B134) No. 19 — (E6) No. 2: #4 (B134) No. 20 — (E17) No. 1: #4 (B134) No. 16 — (E17) No. 2: #4 (B134) No. 17 — (E17) No. 2: |
| QUESTION | |
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Is the resistance less than 1 Ω? | |
| Yes | No |
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Repair the harness and connector. NOTE: In this case, repair the following item: • Open circuit in harness between ECM connector and fuel injector connector • Poor contact in coupling connector |
