P0365 CMP SENSOR B CIRCUIT NO SIGNAL
Is DTC P0365 indicated?
YES : Check for poor connections or loose terminals at CMP sensor B and the PCM. If the PCM was updated,
substitute a known-good PCM See PCM REMOVAL AND INSTALLATION or PCM UPDATE , then
recheck. If the PCM was substituted, go to step 1.
NO : Troubleshooting is complete. If the PCM was substituted, replace the original PCM See PCM
REMOVAL AND INSTALLATION or PCM UPDATE . If any other Pending or Confirmed DTCs are
indicated, go to the indicated DTC's troubleshooting.
DTC P0369: CMP SENSOR B CIRCUIT INTERMITTENT INTERRUPTION
Fig. 181: DTC Troubleshooting Flow Chart (P0369)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and
review the general troubleshooting information See HOW TO TROUBLESHOOT
THE A/T SYSTEM or HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS
SYSTEMS .
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P0369 CMP SENSOR B CIRCUIT INTERMITTENT
INTERRUPTION
1. Problem verification (idling):
ο‘
1. Turn the ignition switch to ON (II).
ο‘
2. Clear the DTC with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or
HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
ο‘
3. Start the engine, and let it idle for 10 seconds.
4. Monitor the OBD STATUS for DTC P0369 in the DTCs MENU with the HDS.
DTC Description
OBD STATUS
P0369 CMP SENSOR B CIRCUIT INTERMITTENT INTERRUPTION
Does the HDS indicate FAILED?
YES : The failure is duplicated. Go to step 3.
NO : If the HDS indicates PASSED, go to step 2. If the HDS indicates NOT COMPLETED, keep idling
until a result comes on.
2. Problem verification (test-drive):
ο‘
1. Test-drive the vehicle for several minutes in the range of these recorded freeze data parameters:
ο¬
ENGINE SPEED
VEHICLE SPEED
ο¬
ο‘
2. Monitor the OBD STATUS for DTC P0369 in the DTCs MENU with the HDS.
DTC Description
OBD STATUS
P0369 CMP SENSOR B CIRCUIT INTERMITTENT INTERRUPTION
Does the HDS indicate FAILED?
YES : The failure is duplicated. Go to step 3.
NO : If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor
connections or loose terminals at CMP sensor B and the PCM. If the HDS indicates NOT COMPLETED,
retest and check the OBD STATUS again.
3. Connectors and terminals condition check:
ο‘
1. Check for poor connections or loose terminals at these locations:
ο¬
ο¬
ο¬
ο¬
CMP sensor B
PCM
Engine ground
Body ground
Are the connections and terminals OK?
YES : Go to step 4.
NO : Repair the connections or terminals, then do the repair verification .
4. CMP pulse plate B visual check:
ο‘
1. Remove the cylinder head cover, then check for damage to CMP pulse plate B.
Is the pulse plate damaged?
YES : Replace CMP pulse plate B See CMP PULSE PLATE A REMOVAL AND INSTALLATION
or CMP PULSE PLATE B REMOVAL AND INSTALLATION , then do the repair verification .
NO : REPLACE CMP SENSOR B , then do the repair verification .
REPAIR VERIFICATION
ο‘
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Reconnect all connectors.
3. Turn the ignition switch to ON (II).
4. Reset the PCM with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or HOW
TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
ο‘
5. DO THE PCM IDLE LEARN PROCEDURE .
6. Start the engine, and let it idle for 10 seconds, or test-drive the vehicle for several minutes under the
freeze data conditions (same as step 2-1 ).
ο‘
7. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P0369 CMP SENSOR B CIRCUIT INTERMITTENT
INTERRUPTION
Is DTC P0369 indicated?
YES : Check for poor connections or loose terminals at CMP sensor B and the PCM, 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.
DTC P0420: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD
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