P16F3 Starter Cut Relay 1 Control Circuit Low Voltage
1.
Engine starting check:
Engine starting check
?1.
Try to start the engine.
Does the engine start?
YES
Go to step 2.
NO
Go to step 4.
2.
Problem verification:
Problem verification
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Turn the vehicle to the ON mode.
?3.
Clear the DTC with the HDS.
?4.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P16F3 Starter Cut Relay 1 Control Circuit Low Voltage
Is DTC P16F3 indicated?
YES
The failure is duplicated. Go to step 3.
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.?
3.
Shorted wire check (ST CUT RLY1 CL- line):
Shorted wire check (ST CUT RLY1 CL- line)
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Remove starter cut relay 1 (A) from the under-hood fuse/relay box.
?3.
Jump the SCS line with the HDS, and wait more than 1 minute.
Repair a short in the ST CUT RLY1 CL- wire between the PCM (A33) and starter cut relay 1.?
NO
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 P16F3 goes away and the PCM was updated, troubleshooting is complete. If DTC P16F3 goes away and the PCM was substituted, replace the original PCM.?
4.
Determine possible failure area (PCM, others):
Determine possible failure area (PCM, others)
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Jump the SCS line with the HDS, and wait more than 1 minute.
Repair an open in the ST CUT RLY1 CL- wire between the PCM (A33) and starter cut relay 1.?
6.
Fuse check:
Fuse check
?1.
Check the following fuse.
Fuse
No. B2 (10 A)
Location
Under-dash fuse/relay box
Is the fuse OK?
YES
Go to step 7.
NO
Check for a short in the IG1 ACG wire between the No. B2 (10 A) fuse and starter cut relay 1, and repair it as needed. Also replace the No. B2 (10 A) fuse.?