DTC P0335, P0336, P0339: CKP Sensor No Signal (2002-2004 models; CKP Sensor Circuit Intermittent Interruption (2002-2003 models); CKP Sensor Circuit Intermittent Interruption (2004 model)

NOTE:

Information marked with an asterisk (*) applies to 2002-2004 models.
Information marked with double asterisk (**) applies to 2002-2003 models.
Information marked with triple asterisk (***) applies to 2004 model.

Reset the ECM/PCM (see ECM/PCM RESET (2002-2004 MODELS) ).
Start the engine.
Is DTC P0335* and/or (P0336)** (P0339)*** indicated?
1. YES - Go to step 3.
2. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the CKP sensor and the ECM/PCM.
Turn the ignition switch OFF.
Disconnect the CKP sensor 3P connector.
Turn the ignition switch ON (II).
Measure voltage between CKP sensor 3P connector terminal No. 3 and body ground.

Fig 1: Measuring Voltage Between CKP Sensor 3P Connector Terminal 3 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?
1. YES - Go to step 7.
2. NO - Repair open in the wire between PGM-FI main relay 1 and the CKP sensor.
Measure voltage between CKP sensor 3P connector terminal No. 1 and body ground.

Fig 2: Measuring Voltage Between CKP Sensor 3P Connector Terminal 1 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there about 5 V?
1. YES - Go to step 8.
2. NO - Go to step 10.
Measure voltage between CKP sensor 3P connector terminals No. 2 and No. 3.

Fig 3: Measuring Voltage Between CKP Sensor 3P Connector Terminals 2 And 3
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?
1. YES - Go to step 9.
2. NO - Repair open in the wire between the CKP sensor and G101.
Substitute a known-good CKP sensor and recheck.
Is DTC P0335* and/or (P0336)** (P0339)*** indicated?
1. YES - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM (see HOW TO UPDATE THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM (see ECM/PCM REPLACEMENT ).
2. NO - Replace the original CKP sensor (see CKP SENSOR REPLACEMENT ).
Measure voltage between ECM/PCM connector terminal A7 and body ground.

Fig 4: Measuring Voltage Between ECM/PCM Connector Terminal A7 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there about 5 V?
1. YES - Repair open in the wire between the ECM/PCM (A7) and the CKP sensor.
2. NO - Go to step 11.
Turn the ignition switch OFF.
Disconnect ECM/PCM connector A (31P).
Check for continuity between ECM/PCM connector terminal A7 and body ground.

Fig 5: Checking Continuity Between ECM/PCM Connector Terminal A7 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?
1. YES - Repair short in the wire between the ECM/PCM (A7) and the CKP sensor.
2. NO - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM (see HOW TO UPDATE THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM (see ECM/PCM REPLACEMENT ).