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Wiring diagrams Section: Testing & Diagnostics

Pgm-Fi System: Overview
Pgm-Fi System: Diagnosis
DTC P1128: MAP Sensor Signal Lower Than Expected
DTC P1129: MAP Sensor Signal Higher Than Expected
DTC P0116: ECT Sensor Range/Performance Problem
DTC P1121: TP Sensor Signal Lower Than Expected
DTC P1122: TP Sensor Signal Higher Than Expected
DTC P0125: ECT Sensor Malfunction/Slow Response
DTC P0128: Cooling System Malfunction
DTC P0134: A/F Sensor (Sensor 1) Signal Stuck Lean
DTC P0139: Secondary HO2S (Sensor 2) Slow Response
DTC P0172: Fuel System Too Rich
DTC P0300: Random Misfire Detected and Any Combination of the Following: DTC P0301: No. 1 Cylinder Misfire Detected, DTC P0302: No. 2 Cylinder Misfire Detected, DTC P0303: No. 3 Cylinder Misfire Detected, DTC P0304: No. 4 Cylinder Misfire Detected
DTC P0335: CKP Sensor No Signal, DTC P0336: CKP Sensor Intermittent Interruption, DTC P0339: CKP Sensor Intermittent Interruption
DTC P1106: BARO Sensor Range/ Performance Problem, DTC P2227: BARO Sensor Range/ Performance Problem*
DTC P1107: BARO Sensor Circuit Low Voltage, DTC P1108: BARO Sensor Circuit High Voltage, DTC P2228: BARO Sensor Circuit Low Voltage*, DTC P2229: BARO Sensor Circuit High Voltage*
DTC P1158: A/F Sensor (Sensor 1) AFS-Terminal Low Voltage, DTC P2252: A/F Sensor (Sensor 1) AFS-Terminal Low Voltage*
DTC P1159: A/F Sensor (Sensor 1) AFS + Terminal Low Voltage, DTC P2238: A/F Sensor (Sensor 1) AFS + Terminal Low Voltage*
DTC P0133: A/F Sensor (Sensor 1) Slow Response*, DTC P1163: A/F Sensor (Sensor 1) Slow Response
DTC P1164: A/F Sensor (Sensor 1) Circuit Range/Performance Problem, DTC P2A00: A/F Sensor (Sensor 1)* Range/ Performance Problem*
DTC P0135: A/F Sensor (Sensor 1) Heater Circuit Malfunction*, DTC P1166: A/F Sensor (Sensor 1) Heater Circuit Malfunction
DTC P0365: CMP Sensor B No Signal*, DTC P0369: CMP Sensor B Intermittent Interruption*, DTC P1361: CMP Sensor B (TDC Sensor) Intermittent Interruption, DTC P1362: CMP Sensor B (TDC Sensor) No Signal*
DTC P0607: Malfunction in ECM/PCM Internal Circuit*, DTC P1607: Malfunction in ECM/PCM Internal Circuit
Pgm-Fi System: Removal & Installation

All sections

Vtec/ Vtc: Diagnosis Honda CR-V II

Testing & Diagnostics 14 illustrations ~1241 words

Diagnostic Trouble Codes Troubleshooting

DTC	Description
DTC P0010	VTC Oil Control Solenoid Valve Malfunction
DTC P0011	VTC System Malfunction
DTC P0340, P0344	CMP Sensor A No Signal, CMP Sensor A Intermittent Interruption
DTC P0341	VTC Phase Gap
DTC P1259	VTEC System Malfunction
DTC P2646	VTEC Oil Pressure Switch Circuit Low Voltage
DTC P2647	VTEC Oil Pressure Switch Circuit High Voltage

DIAGNOSTIC TROUBLE CODES (DTC) LIST

Scheme 219

Scheme 219: DTC P0010: VTC Oil Control Solenoid Valve Malfunction

Scheme 220

Scheme 221

Scheme 222

Scheme 223

Scheme 224

Reset the ECM/PCM (see «HOW TO RESET THE ECM/PCM»(ref-171385-S07999163522005020300000) ).
Start the engine. Hold the engine at 3,000 RPM with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
Test-drive at a steady speed between 20-40 mph (30-60 km/h) for 10 minutes. Is DTC P0010 indicated? YES - Go to step 4. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the VTC oil control solenoid valve and at the ECM/PCM.
Turn the ignition switch OFF.
Disconnect the ECM/PCM connector B (24P).
Measure resistance between ECM/PCM connector terminal B1 and B23. Is there 6.75-8.25 ohm? YES - Go to step 11 . NO - Go to step 7.
Disconnect the VTC oil control solenoid valve 2P connector.
Measure resistance between VTC oil control solenoid valve 2P terminal No. 1 and No. 2. Is there 6.75-8.25 ohm? YES - Go to step 9. NO - Replace the VTC oil control solenoid valve (see «VTC Oil Control Solenoid Valve Removal/Test/Installation»(ref-171387-S10192246882005020300000) ).
Connect VTC oil control solenoid valve 2P connector terminals No. 1 and No. 2 to body ground with a jumper wire individually.
Check for continuity between ECM/PCM connector terminals B1, B23, and body ground. Is there continuity? YES - Remove the jumper wire connected in step 9, then go to step 11. NO - Repair open in the wire between the ECM/PCM (B1, B23) and the VTC oil control solenoid valve.
Check for continuity between ECM/PCM connector terminals B1 and B23 and body ground individually. Is there continuity? YES - Go to step 12. NO - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck (see «ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING»(ref-171385-S32387647222005020300000) ). If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.
Disconnect the VTC oil control solenoid valve 2P connector.
Check for continuity between ECM/PCM connector terminals B1 and B23 and body ground individually. Is there continuity? YES - Repair short in the wire between the ECM/PCM (B1, B23) and the VTC oil control solenoid valve. NO - Replace the VTC oil control solenoid valve (see «VTC Oil Control Solenoid Valve Removal/Test/Installation»(ref-171387-S10192246882005020300000) ).

Scheme 225

Scheme 225: DTC P0011: VTC System Malfunction

Scheme 226

Scheme 227

Reset the ECM/PCM (see «HOW TO RESET THE ECM/PCM»(ref-171385-S07999163522005020300000) ).
Start the engine. Hold the engine at 3,000 RPM with no load (in Park or neutral) until the radiator fan comes on.
Test-drive at a steady speed between 20 - 40 mph (30-60 km/h) for 10 minutes.
Check for Temporary DTC P0011 with the scan tool or the HDS. Is Temporary DTC P0011 indicated? YES - Go to step 5. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the VTC oil control solenoid valve and at the ECM/PCM.
Watch the low oil pressure light with the engine running. Is the low oil pressure light on? YES - Check the oil pressure (see «OIL PRESSURE TEST»(ref-171728-S06359532492005021000000) ). NO - Go to step 6.
Turn the ignition switch OFF.
Remove the power steering pump (see «PUMP REPLACEMENT»(ref-171420-S21147938422005020300000) ) and the auto-tensioner (see «DRIVE BELT AUTO-TENSIONER»(ref-153319-S18890095862004060800000) ).
Remove the VTC strainer. Check the VTC strainer for clogging. Is the strainer OK? YES - Go to step 9. NO - Clean the VTC strainer, then replace the engine oil filter and the engine oil.
Check the VTC oil control solenoid valve (see ). Is the VTC oil control solenoid valve OK? YES - Go to step 10. NO - Clean the ports of the valve, or replace the valve (see «VTC Oil Control Solenoid Valve Removal/Test/Installation»(ref-171387-S10192246882005020300000) ).
Install the VTC oil control solenoid valve.
Start the engine. Hold the engine at 700-1,000 RPM.
Connect ECM/PCM connector terminal B23 to body ground with a jumper wire.
Connect ECM/PCM connector terminals A3 and B1 with a jumper wire momentarily. NOTE: Do not jump for more than 1 minute. Did the engine stall or run rough? YES - Test-drive at a steady speed between 20-40 mph (30-60 km/h) for 10 minutes. If temporary DTC P0011 is indicated, update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck (see «ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING»(ref-171385-S32387647222005020300000) ). If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM. NO - Go to step 14.
Check the VTC actuator (see «VTC ACTUATOR INSPECTION»(ref-171634-S14030887922005021000000) ). Is the VTC actuator OK? YES - Remove the power steering pump (see «PUMP REPLACEMENT»(ref-171420-S21147938422005020300000) ) and the auto-tensioner (see «DRIVE BELT AUTO-TENSIONER»(ref-153319-S18890095862004060800000) ), and clean or replace the VTC oil strainer. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck (see «ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING»(ref-171385-S32387647222005020300000) ). If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM. NO - Replace the VTC actuator.

Scheme 228

Scheme 228: DTC P0340, P0344: CMP Sensor A No Signal, CMP Sensor A Intermittent Interruption

Scheme 229

Scheme 230

Scheme 231

Scheme 232

Reset the ECM/PCM (see «HOW TO RESET THE ECM/PCM»(ref-171385-S07999163522005020300000) ).
Start the engine. Is DTC P0340 and/or P0344 indicated? YES - Go to step 3. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the CMP sensor A and at the ECM/PCM.
Turn the ignition switch OFF.
Disconnect the CMP sensor A 3P connector.
Turn the ignition switch ON (II).
Measure voltage between CMP sensor A 3P connector terminal No. 3 and body ground. Is there battery voltage? YES - Go to step 7. NO - Check the No. 4 ACG (10A) fuse in the underdash fuse/relay box. If the fuse is OK, repair open in the wire between the CMP sensor A and No. 4 ACG (10A) fuse.
Measure voltage between CMP sensor A 3P connector terminal No. 1 and body ground. Is there about 5 V? YES - Go to step 8. NO - Go to step 10 .
Measure voltage between CMP sensor A 3P connector terminals No. 2 and No. 3. Is there battery voltage? YES - Go to step 9. NO - Repair open in the wire between the CMP sensor A and G101.
Substitute a known-good CMP sensor A and recheck. Is DTC P0340 and/or P0344 indicated? YES - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck (see «ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING»(ref-171385-S32387647222005020300000) ). If the symptom/ indication goes away with a known-good ECM/PCM, replace the original ECM/PCM. NO - Replace the original CMP sensor A (see «VTEC Solenoid Valve Removal/Inspection»(ref-171387-S19519676252005020300000) ).
Measure voltage between ECM/PCM connector terminal A25 and body ground. Is there about 5 V? YES - Repair open in the wire between the ECM/ PCM (A25) and CMP sensor A. NO - Go to step 11.
Turn the ignition switch OFF.
Disconnect ECM/PCM connector A (31P).
Check for continuity between ECM/PCM connector terminal A25 and body ground. Is there continuity? YES - Repair short in the wire between the ECM/ PCM (A25) and the CMP sensor A. NO - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck (see «ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING»(ref-171385-S32387647222005020300000) ). If the symptom/ indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.