DTC P16E1: +B Cut Relay Circuit Malfunction
- Press the engine start/stop button to select the ON mode.
- Clear the DTC with the HDS.
- Check the STARTER CUT RELAY in the DATA LIST with the HDS.
Is 1.74 V or less indicated when the clutch pedal is pressed?
YES - Go to step 4.
NO - Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals at the + B cut relay, starter cut relay 2, and the ECM. ■
- Remove the driver's dashboard under cover (see DRIVER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION ), then remove the +B cut relay (A).
- Check the STARTER CUT RELAY in the DATA LIST with the HDS.
Is 1.74 V or less indicated only when clutch pedal is pressed?
YES - Go to step 6.
NO - Replace the +B cut relay, then go to step 10.
- Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
- Remove starter cut relay 2 (A) from the under-hood fuse/relay box.
- Press the engine start/stop button to select the ON mode.
- Measure the voltage between starter cut relay 2 4P connector terminal No. 4 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there 1.0 V or less?
YES - Replace starter cut relay 2, then go to step 10.
NO - Repair short to power in the wire between the +B cut relay and the under-hood fuse/relay box (starter cut relay 2), then go to step 10.
- Reconnect all connectors.
- Press the engine start/stop button to select the ON mode.
- Reset the ECM with the HDS.
- Do the ECM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).
- Check for Pending or Confirmed DTCs with the HDS.
Is DTC P16E1 indicated?
YES - Check for poor connections or loose terminals at the +B cut relay, starter cut relay 2, and the ECM, then go to step 1.
NO - Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting. ■