Honda Jazz/Fit 2005 · Service Manual

DTC Troubleshooting: P1297 (20-1) (L12A/L13A 5MT without ETCS)

DTC Troubleshooting: P1297 (20-1)

DTC P1297 (20-1):  ELD Circuit Low Voltage


1.Reset the ECM/PCM.

2.Start the engine.

3.Turn on the headlights.

Is DTC P1297 indicated?


YES - Go to 4.


NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the ELD and at the ECM/PCM.n


4.Turn the ignition switch and the headlights OFF.

5.Disconnect the ELD 3P connector.

6.Turn the ignition switch ON (II).

7.Measure voltage between body ground and the ELD 3P connector terminal No. 3.

 

S5A1A10K72100091297FAAD01ELD 3P CONNECTORWire side of female terminalsELD (GRN/RED)

Is there about 5 V?


YES - Replace the ELD.n


NO - Go to 8.

8.Turn the ignition switch OFF.

9.Disconnect ECM/PCM connector E (31P).

10.Check for continuity between body ground and ECM/PCM connector terminal E15.

 

SAA3EDSK72100081201FAAD01ECM/PCM CONNECTOR E (31P)Wire side of female terminalsELD (GRN/RED)

Is there continuity?


YES - Repair short in the wire between the ECM/PCM (E15) and the ELD.n


NO - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original  ECM/ PCM.n