DTC Troubleshooting
DTC P16BF: Starter Relay STRLY Circuit MalfunctionNOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS and wait for 5 seconds.
3. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P16BF indicated?
YES - Go to step 4.
NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at starter relay 1, starter relay 2, and the PCM.
4. Turn the ignition switch OFF.
5. Jump the SCS line with the HDS.
6. Remove starter relay 1 and starter relay 2.
7. Disconnect PCM connector E (31P).
8. Check for continuity between PCM connector terminal E21 and body ground.
Is there continuity?
YES - Repair short in the wire between the PCM (E21) and starter relay 1 or starter relay 2, then Go to step 9.
NO - Go to step 14.
9. Reconnect all connectors.
10. Turn the ignition switch ON (II).
11. Reset the PCM with the HDS.
12. Do the PCM idle learn procedure.
13. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P16BF indicated?
YES - Check for poor connections or loose terminals at starter relay 1, starter relay 2, and the PCM, then Go to step 1.
NO - Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, Go to the indicated DTC's troubleshooting.
14. Update the PCM if it does not have the latest software, or substitute a known good PCM.
15. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P16BF indicated?
YES - Check for poor connections or loose terminals at starter relay 1, starter relay 2, and the PCM. If the PCM was updated, substitute a known good PCM, then recheck. 1fthe PCM was substitute, Go to step 1.
NO - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other Temporary DTCs or DTCs are indicated, Go to the indicated DTC's troubleshooting.