NO : Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated
DTC's troubleshooting.
DTC P0327: KNOCK SENSOR CIRCUIT LOW VOLTAGE
Fig. 143: DTC Troubleshooting Flow Chart (P0327)
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 FUEL AND EMISSIONS SYSTEMS or HOW TO TROUBLESHOOT THE A/T
SYSTEM .
DTC Description
Confirmed DTC Pending DTC Freeze Frame
P0327 KNOCK SENSOR CIRCUIT LOW VOLTAGE
1. Problem verification:
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‘
ο‘
3. Turn the ignition switch to LOCK (0).
4. Turn the ignition switch to ON (II).
5. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P0327 KNOCK SENSOR CIRCUIT LOW
VOLTAGE
Is DTC P0327 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 knock sensor and the PCM.
2. Determine possible failure area (knock sensor, others):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Knock sensor 2P connector
ο‘
ο‘
3. Turn the ignition switch to ON (II).
4. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P0327 KNOCK SENSOR CIRCUIT LOW
VOLTAGE
Is DTC P0328 indicated?
YES : REPLACE THE KNOCK SENSOR , then do the repair verification .
NO : Go to step 3.
3. Shorted wire check (KS line to KSGND line):
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Jump the SCS line with the HDS.
3. Disconnect the following connector.
PCM connector C (49P)
ο‘
4. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Knock sensor 2P connector: disconnected
PCM connector C (49P): disconnected
Test circuit KS, KSGND
Test point 1 Knock sensor 2P connector No. 1 (BLK)
Test point 2 Knock sensor 2P connector No. 2 (WHT)
Fig. 144: Checking Continuity Between Knock Sensor 2P Connector No. 1 (BLK) And No. 2
(WHT)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short in the KS wire to KSGND wire between the PCM (C17) and the PCM (C48), then
do the repair verification .
NO : Go to step 4.
4. Shorted wire check (KS line):
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Knock sensor 2P connector: disconnected
PCM connector C (49P): disconnected
Test circuit KS
Test point 1 Knock sensor 2P connector No. 2 (WHT)
Test point 2 Body ground
Fig. 145: Checking Continuity Between Knock Sensor 2P Connector No. 2 (WHT) And Body
Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short in the KS wire between the PCM (C17) and the knock sensor, then do the repair
verification .
NO : The KS wire is OK. Update the PCM See PCM REMOVAL AND INSTALLATION or PCM
UPDATE if it does not have the latest software, or substitute a known-good PCM See PCM
REMOVAL AND INSTALLATION or PCM UPDATE , 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 FUEL AND EMISSIONS
SYSTEMS or HOW TO TROUBLESHOOT THE A/T SYSTEM .
ο‘
ο‘
5. DO THE PCM IDLE LEARN PROCEDURE .
6. Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC Pending DTC Freeze Frame
P0327 KNOCK SENSOR CIRCUIT LOW VOLTAGE
Is DTC P0327 indicated?
YES : Check for poor connections or loose terminals at the knock sensor and the PCM. If the PCM was
updated, substitute a known-good PCM See PCM UPDATE or PCM REMOVAL AND
INSTALLATION , 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 P0328: KNOCK SENSOR CIRCUIT HIGH VOLTAGE
2024 Honda CR-V Owner's Manual
2023 Honda CR-V Owner's Manual
2021 Honda CR-V Owner's Manual
2018 Honda CR-V Owner's Manual
2015 Honda CR-V Owner's Manual
