| CHECK HARNESS BETWEEN ECM AND FUEL INJECTOR CONNECTOR. |
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1) Turn the ignition switch to OFF. 2) Disconnect the connectors from ECM and all fuel injectors. 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 of coupling connector |
