DTC Troubleshooting: P0351, P0352, P0353, P0354
DTC P0351: No. 1 Cylinder Ignition Coil Circuit Malfunction
DTC P0352: No. 2 Cylinder Ignition Coil Circuit Malfunction
DTC P0353: No. 3 Cylinder Ignition Coil Circuit Malfunction
DTC P0354: No. 4 Cylinder Ignition Coil Circuit Malfunction
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0351 No. 1 Cylinder Ignition Coil Circuit Malfunction
      
P0352 No. 2 Cylinder Ignition Coil Circuit Malfunction
      
P0353 No. 3 Cylinder Ignition Coil Circuit Malfunction
      
P0354 No. 4 Cylinder Ignition Coil Circuit Malfunction
      

1.
Problem verification:

Problem verification
?1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select 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
P0351 No. 1 Cylinder Ignition Coil Circuit Malfunction
      
P0352 No. 2 Cylinder Ignition Coil Circuit Malfunction
      
P0353 No. 3 Cylinder Ignition Coil Circuit Malfunction
      
P0354 No. 4 Cylinder Ignition Coil Circuit Malfunction
      

Is DTC P0351, P0352, P0353, and/or P0354 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 the ignition coil and the PCM.?
2.
Ignition coil check:

Ignition coil check
?1.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?2.
Exchange the ignition coil from the problem cylinder with one from another cylinder.

?3.
Start the engine.

?4.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0351 No. 1 Cylinder Ignition Coil Circuit Malfunction
      
P0352 No. 2 Cylinder Ignition Coil Circuit Malfunction
      
P0353 No. 3 Cylinder Ignition Coil Circuit Malfunction
      
P0354 No. 4 Cylinder Ignition Coil Circuit Malfunction
      

Is DTC indicated at the exchanged position?

     
YES
     
     
     
     
NO
     
     
     
Go to step 3.
3.
Shorted wire check (IG1 (IGN COIL)/IG1 (COIL)/IG COIL RLY OUT line):

Shorted wire check (IG1 (IGN COIL)/IG1 (COIL)/IG COIL RLY OUT line)
?1.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?2.
Check the following fuse.
Fuse
No. A9 (15 A)
Location
Under-hood fuse/relay box

Is the fuse OK?

     
YES
     
     
     
Go to step 4.
     
NO
     
     
     
Repair a short in the IG1 (IGN COIL)/IG1 (COIL)/IG COIL RLY OUT wire between the ignition coil and the No. A9 (15 A) fuse in the under-hood fuse/relay box. Also replace the No. A9 (15 A) fuse, then do the repair verification.
4.
Relay check:

Relay check
?1.
Remove the ignition coil relay (A) from the under-hood fuse/relay box.


?2.
Test the ignition coil relay.

Is the relay OK?

     
YES
     
     
     
Go to step 5.
     
NO
     
     
     
Replace the ignition coil relay, then do the repair verification.
5.
Open wire check (IG1 (IGN COIL)/IG1 (COIL)/IG COIL RLY OUT) line):

Open wire check (IG1 (IGN COIL)/IG1 (COIL)/IG COIL RLY OUT) line)
?1.
Reinstall the ignition coil relay.

?2.
Disconnect the following connector(s).

?3.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?4.
Measure the voltage between test points 1 and 2.
Test condition
IG ON (II) or ON mode
 
Ignition coil 3P connector (problem cylinder): disconnected
Test circuit
IG1 (IGN COIL)
Test point 1
Ignition coil 3P connector No. 1 (BLK/WHT)
Test point 2
Body ground


Is there battery voltage?

     
YES
     
     
     
The IG1 (IGN COIL)/IG1 (COIL)/IG COIL RLY OUT wire is OK. Go to step 6.
     
NO
     
     
     
Repair an open in the IG1 (IGN COIL)/IG1(COIL)/IG COIL RLY OUT wire between the ignition coil and the ignition coil relay, then do the repair verification.
6.
Open wire check (PG (COIL) line):

Open wire check (PG (COIL) line)
?1.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?2.
Check for continuity between test points 1 and 2.
Test condition
IG LOCK (0) or OFF mode
 
Ignition coil 3P connector (problem cylinder): disconnected
Test circuit
PG (COIL)
Test point 1
Ignition coil 3P connector No. 2 (BLK)
Test point 2
Body ground


Is there continuity?

     
YES
     
     
     
The PG (COIL) wires are OK. Go to step 7.
     
NO
     
     
     
Repair an open in the PG (COIL) wire between the ignition coil and G101, then do the repair verification.
7.
Shorted wire check (IGN lines):

Shorted wire check (IGN lines)
?1.
Jump the SCS line with the HDS.


?2.
Disconnect the following connector.

?3.
Check for continuity between body ground and the appropriate PCM connector terminal of the problem ignition coil (see table).
Test condition
IG LOCK (0) or OFF mode
 
Ignition coil 3P connector (problem cylinder): disconnected
 
PCM connector B (51P): disconnected

PROBLEM CYLINDER
DTC
PCM TERMINAL
WIRE COLOR
No. 1
P0351
B24
WHT
No. 2
P0352
B25
PUR
No. 3
P0353
B26
BLU
No. 4
P0354
B27
LT BLU


Is there continuity?

     
YES
     
     
     
Repair a short in the IGN wire between the PCM and the ignition coil, then do the repair verification.
     
NO
     
     
     
The IGN wires are not shorted. Go to step 8.
8.
Open wire check (IGN lines):

Open wire check (IGN lines)
?1.
Check for continuity between appropriate ignition coil 3P connector terminal No. 3 and the appropriate PCM connector terminal of the problem ignition coil (see table).
Test condition
IG LOCK (0) or OFF mode
 
Ignition coil 3P connector (problem cylinder): disconnected
 
PCM connector B (51P): disconnected

PROBLEM CYLINDER
DTC
PCM TERMINAL
WIRE COLOR
No. 1
P0351
B24
WHT
No. 2
P0352
B25
PUR
No. 3
P0353
B26
BLU
No. 4
P0354
B27
LT BLU



Is there continuity?

     
YES
     
     
     
The IGN wire is OK. Update the PCM if it does not have the latest software, or substitute a known-good PCM, then do the repair verification.
     
NO
     
     
     
Repair an open in the IGN wire between the PCM and the ignition coil, then do the repair verification.
Repair verification:

?1.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?2.
Reconnect all connectors.

?3.
Exit the SCS mode with the HDS.


?4.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?5.
Reset the PCM with the HDS.


?6.
Do the PCM idle learn procedure.

?7.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0351 No. 1 Cylinder Ignition Coil Circuit Malfunction
      
P0352 No. 2 Cylinder Ignition Coil Circuit Malfunction
      
P0353 No. 3 Cylinder Ignition Coil Circuit Malfunction
      
P0354 No. 4 Cylinder Ignition Coil Circuit Malfunction
      


Is DTC P0351, P0352, P0353, and/or P0354 indicated?

     
YES
     
     
     
Check for poor connections or loose terminals at the ignition coil and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to step 1.
     
NO
     
     
     
Troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.?