Connect ECM/PCM connector terminal E31 and body ground with a jumper wire. ECM/PCM CONNECTOR E (31P) Wire side of female terminals Turn the ignition switch ON (II). Is the MIL on? YES - Substitute a known-good ECM/PCM and recheck, refer to the '01 Civic Shop Manual on this CD (see page 11-6). If symptom/indication goes away, replace the original ECM/PCM. NO - Check for an open in the wire between the ECM/PCM (E31) and the gauge assembly. Also check for a blown MIL bulb. If the wires and the bulb are OK, replace the gauge assembly.

Turn the ignition switch OFF. Inspect the No. 6 ECU (ECM/PCM) (15A) fuse in the under-hood fuse/relay box. Is the fuse OK? YES - Go to step 18. NO - Go to step 12. Remove the blown No. 6 ECU (ECM/PCM) (15A) fuse in the under-dash fuse/relay box. Remove the PGM-FI main relay 1 (A). LHD model: RHD model: