TPMS indicator does not go off, and no DTCs are stored
- Check for gauge DTCs with the HDS (see GENERAL TROUBLESHOOTING INFORMATION ) If the multiple DTCs are present, including B1178, troubleshoot those DTCs first If only DTC B1178 is present, continue with the following troubleshooting
- If the TPMS control unit was replaced, the TPMS indicator will be on until all four sensor ID codes are learned
- Turn the ignition switch to LOCK (0)
- Check the No 29 (10 A) fuse in the driver's under-dash fuse/relay box
Is the fuse blown?
YES -Replace the No 29 (10 A) fuse, and recheck If the fuse blows again, check for a short to body ground in the wire between the TPMS control unit and the No 29 (10 A) fuse in the driver's under-dash fuse/relay box
NO -Reinstall the fuse, then go to step 3
- Check the No 5(7 5 A) fuse in the driver's under-dash fuse/relay box
Is the fuse blown?
YES -Replace the No 5(7 5 A) fuse, and recheck If the fuse blows again, check for a short to body ground in the wire between the TPMS control unit and the No 5 (7 5 A) fuse in the driver's under-dash fuse/relay box
NO -Reinstall the fuse, then go to step 4
- Disconnect the TPMS control unit 20P connector
- Measure voltage between body ground and TPMS control unit 20P connector terminal No 10
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Is there battery voltage?
YES -Go to step 6
NO -Repair open in the wire between the TPMS control unit and the No 29 (10 A) fuse in the driver's under-dash fuse/relay box
- Turn the ignition switch to ON (II)
- Measure voltage between body ground and TPMS control unit 20P connector terminal No 8
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Go to step 8.
NO -Repair open in the wire between the TPMS control unit and the No 5 (7 5 A) fuse in the driver's under-dash fuse/relay box
- Turn the ignition switch to LOCK (0)
- Reconnect the TPMS control unit 20P connector
- Turn the ignition switch to ON (II)
- Measure voltage between body ground and TPMS control unit 20P connector terminal No 4
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there 0 1 V or more?
YES -Repair open or high resistance in the wire between the TPMS control unit and body ground (G503)
NO -Do the troubleshooting for the gauge control module (see SELF-DIAGNOSTIC FUNCTION ) If the gauge control module is OK, check for loose terminals and poor connections at the TPMS control unit If necessary, substitute a known-good TPMS control (see TPMS CONTROL UNIT REPLACEMENT ), and recheck