DTC P0616 (Without Auto Idle Stop System)

DTC P0616  : Starter Cut Relay Diagnosis Circuit Low Voltage

DTC (PGM-FI)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   - 2. Clear the DTC with the HDS.

   - 3. Check the parameter(s) below with the HDS.

   Signal	Threshold		Current conditions
   	Values	Unit	Values	Unit
   STARTER CUT RELAY	Less than 1.3	V

   Do the current condition(s) match the threshold?

   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 the driver's under-dash fuse/relay box, starter cut relay 1, starter cut relay 2, 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. Fuse check

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

   - 2. Check the following fuse.

   Fuse	No. D25 (7.5 A)
   Location	Driver's under-dash fuse/relay box

   Is the fuse OK?

   YES 

   Go to step 3.

   NO 

   Go to step 5.

3. Determine possible failure area (STRLD line, others)

   -1. Turn the vehicle to the ON mode.

   - 2. Check the parameter(s) below with the HDS.

   Signal	Threshold		Current conditions
   	Values	Unit	Values	Unit
   STARTER CUT RELAY	Less than 1.3	V

   Do the current condition(s) match the threshold?

   YES 

   Go to step 4.

   NO 

   Go to step 5.

4. Relay check

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

   - 2. Remove starter cut relay 2 (A) from the driver's under-dash fuse/relay box.

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

   - 3. Test starter cut relay 2.

   Is the relay OK?

   YES 

   Replace the driver's under-dash fuse/relay box - Refer to: Driver's Under-Dash Fuse/Relay Box Removal and Installation, or Passenger's Under-Dash Fuse/Relay Box Removal and Installation .

   NO 

   Replace starter cut relay 2.

5. Determine possible failure area (PCM, others)

   -1. Remove starter cut relay 2 (A) from the driver's under-dash fuse/relay box.

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

   - 2. Jump the SCS line with the HDS.

   - 3. Disconnect the following connector.

   PCM connector A (51P) - Refer to: How to Troubleshoot the Fuel and Emissions Systems, or How to Troubleshoot the Brake Booster Pressure Monitoring System (2016 2017 2018 2019 2020), or How to Troubleshoot the Fuel and Emissions Systems(With Auto Idle Stop System) (2016), or How to Troubleshoot the A/T System (2014 2015)

   - 4. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Starter cut relay 2: disconnected
   Test circuit	STRLD
   Test point 1	PCM connector A (51P) No. 26 (WHT)
   Test point 2	Body ground

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

   Is there continuity?

   YES 

   Go to step 6.

   NO 

   Update the PCM if it does not have the latest software, or substitute a known-good PCM - Refer to: PCM Removal and Installation (2014 2015), or PCM Removal and Installation (2016) .

6. Shorted wire check (START DIAG line)

   -1. Disconnect the following connector.

   Driver's under-dash fuse/relay box connector F (32P) - Refer to: Driver's Under-Dash Fuse/Relay Box Removal and Installation, or Passenger's Under-Dash Fuse/Relay Box Removal and Installation

   - 2. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Starter cut relay 2: disconnected
   	PCM connector A (51P): disconnected
   	Driver's under-dash fuse/relay box connector F (32P): disconnected
   Test circuit	STRLD
   Test point 1	PCM connector A (51P) No. 26 (WHT)
   Test point 2	Body ground

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

   Is there continuity?

   YES 

   Repair a short in the STRLD wire between the driver's under-dash fuse/relay box and the PCM (A26).

   NO 

   Replace the driver's under-dash fuse/relay box - Refer to: Driver's Under-Dash Fuse/Relay Box Removal and Installation, or Passenger's Under-Dash Fuse/Relay Box Removal and Installation .