MIL Comes ON and Stays ON

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Part 2 Of 3:

Part 3 Of 3:

NOTE: If this symptom is intermittent, check for the following problems.

* The MIL never comes on after the ignition switch is turned ON (II).
- A loose No.6 ECU (PCM) (20 A) fuse in the under-dash fuse/relay box
- A loose No.22 FUEL PUMP (20 A) fuse in the under-dash fuse/relay box
- An intermittent short in the wire between the PCM (A7) and the gauge assembly
- An intermittent short in the wire between the PCM (D10) and the MAP sensor
- An intermittent short in the wire between the PCM (D21) and the TP sensor, EGR valve lift sensor, fuel tank pressure sensor, TCS control valve angle sensor (with TCS, VSA*)
- A loose No.25 IG COIL (30 A) fuse in the under-dash fuse/relay box
- PGM-FI main relay

* The MIL stays on or comes on after two second with the ignition switch turned ON (II).
- An intermittent short in the wire between the PCM (C5) and the service check connector, data link connector**
- An intermittent open in the wires between the PCM (D22) and the service check connector
- An intermittent short in the wire between the PCM (A7) and the gauge assembly.

* See the OBD-II scan tool or Honda PGM Tester user's manuals for specific operating instructions.

**: '00 model