DTC P16F5: Starter Cut Relay 1 Control Circuit High Voltage

NOTE:  Before you troubleshoot, review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions SystemsHow to Troubleshoot the CVT System(CVT System) .

DTC (PGM-FI)

• 1. Problem verification:

  - 1. Turn the vehicle to the ON mode.

  - 2. Clear the DTC with the HDS.

  - 3. Start the engine.

  - 4. Check for Pending or Confirmed DTCs with the HDS.

  DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
  P16F5 Starter Cut Relay 1 Control Circuit High Voltage

  Is DTC P16F5 indicated?

  YES 

  The failure is duplicated. Go to step 2.

  NO 

  Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at starter cut relay 1 and the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.

• 2. Relay check:

  - 1. Turn the vehicle to the OFF (LOCK) mode.

  - 2. Remove starter cut relay 1 (A) from the under-hood fuse/relay box.

  Courtesy of HONDA, U.S.A., INC.

  - 3. Test starter cut relay 1 .

  Is the relay OK?

  YES 

  Go to step 3.

  NO 

  Replace starter cut relay 1.

• 3. Shorted wire check (ST CUT RLY1 CL- line to power):

  - 1. Jump the SCS line with the HDS, and wait more than 1 minute.

  - 2. Disconnect the following connector.

  PCM connector A (51P)

  - 3. Turn the vehicle to the ON mode.

  - 4. Measure the voltage between test points 1 and 2.

  Test condition	Vehicle ON mode
  	Starter cut relay 1: disconnected
  	PCM connector A (51P): disconnected
  Test point 1	PCM connector A (51P) No. 33
  Test point 2	Body ground

  Is there 0.1 V or less?

  YES 

  The ST CUT RLY1 CL- wire is OK. Update the PCM if it does not have the latest software, or substitute a known-good PCM , then recheck. If DTC P16F5 goes away and the PCM was updated, troubleshooting is complete. If DTC P16F5 goes away and the PCM was substituted, replace the original PCM .

  NO 

  Repair a short to power in the ST CUT RLY1 CL- wire between the PCM (A33) and starter cut relay 1.