Honda Fit/Jazz - DTC Troubleshooting: P2138 (37) (With ETCS)
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DTC Troubleshooting: P2138 (37)
| DTC P2138: | APP sensor A/B Incorrect Voltage Correlation |
| 1. | Turn the ignition switch ON (II). |
| 2. | Do the DTC CLEAR in the CLEAR MENU with the HDS. |
| 3. | Open the throttle to full position several times. |
| 4. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Is DTC P2138 indicated? YES - Go to Connect the ECM test harness and the test pin box to the wire harness only, not to the ECM. |
| 8. | Check for continuity between test pin box terminals No. 63 and No. 79. Is there continuity? YES - Go to Do the ETCS learn procedure. |
| 16. | Open the throttle to full position several times. |
| 17. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P2138 indicated, check for poor connections or loose terminals at the APP sensor and the ECM, then go to Substitute a known-good ECM. |
| 19. | Open the throttle to full position several times. |
| 20. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P2138 indicated, check for poor connections or loose terminals at the APP sensor and the ECM, then go to Replace the original ECM. |
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