'04-06 models
- Measure voltage between DLC terminal No. 16 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Go to step 2.
NO -Repair open in the wire between DLC terminal No. 16 and the No. 8 FI ECU (15 A) fuse in the under-hood fuse/relay box.
- Measure voltage between DLC terminals No. 4 and No. 16.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Go to step 3.
NO -Repair open in the wire between DLC terminal No. 4 and body ground (G501).
- Measure voltage between DLC terminals No. 5 and No. 16.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Go to step 4.
NO -Repair open in the wire between the ECM/PCM (E3) and DLC terminal No. 5 (body ground (G503) and DLC terminal No. 5)*.
- Turn the ignition switch ON (II).
- Measure voltage between DLC terminals No. 5 and No. 7.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there 8.5 V or more?
YES -Go to step 11.
NO -Go to step 6.
- Turn the ignition switch OFF.
- Jump the SCS line with the HDS.
- Disconnect ECM/PCM connector E (31P).
- Check for continuity between DLC terminal No. 7 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair short to ground in the wire between DLC terminal No. 7 and the ECM/PCM (E23). After repairing the wire, check for a DTC with the HDS, then go to the INDICATED DTC'S TROUBLESHOOTING .
NO -Go to step 10.
- Check for continuity between DLC terminal No. 7 and ECM/PCM terminal E23.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity ?
YES -Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM; '04-05 models (see ECM/PCM REPLACEMENT ), '06 model (see '06-08 MODELS ).
NO -Repair open in the wire between DLC terminal No. 7 and the ECM/PCM (E23). After repairing the wire, check for a DTC with the HDS, then go to the INDICATED DTC'S TROUBLESHOOTING .
- Turn the ignition switch OFF.
- Jump the SCS line with the HDS.
- Disconnect ECM/PCM connector E (31P).
- Turn the ignition switch ON (II).
- Measure voltage between DLC terminals No. 5 and No. 7.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there 0V?
YES -Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM; '04-05 models (see ECM/PCM REPLACEMENT ), '06 model (see '06-08 MODELS ).
NO -Repair short to power in the wire between DLC terminal No. 7 and the ECM/PCM (E23). After repairing the wire, check for a DTC with the HDS, then go to the INDICATED DTC'S TROUBLESHOOTING .