Civic Si L4-2.0L (2004)
Information Bus: Testing and Inspection
Mode 1 Test
Troubleshooting
Special Tools Required
MPCS service connector 07WAZ-001010A
MODE 1 Test
1. Remove the driver's dashboard lower cover.
2. Check the No. 9 (10 A) fuse in the under-hood fuse/relay box and the No. 10 (7.5 A) fuse in the under-dash fuse/relay box.
Are the fuses OK?
YES - Go to step 3.
NO - Find and repair the cause of the blown fuse.
3. Turn the ignition switch ON (II). If the driver's seat belt is unbuckled the seat belt reminder will chime 6 times.
4. Set the ceiling light to the center position and close all the doors.
5. Connect the special tool (A) to the multiplex inspection connector (B).
6. After about 5 seconds the spotlight and ceiling light should come on for 2 seconds, go out, then blink on for 0.2 second to show the system is now
in mode 1.
Did the spotlight and ceiling light indicate mode 1?
YES - Go to step 8.
NO - Go to step 7.
7. Check for continuity between terminal 4 of the under-dash fuse/relay box connector J and body ground.
Is there continuity?
YES - Replace the under-dash fuse/relay box.
NO - Repair the open in the wire. If the wire is OK, repair G301.
8. If the DTCs are present, the spotlight and ceiling light will blink to indicate the DTC(s). If more than one DTC is present, the DTCs will be
