M/T Model

Turn the ignition switch ON (II).
Are the back-up lights on when the shift lever is not in the reverse position?
1. YES - Inspect the back-up light switch (see BACK-UP LIGHT SWITCH TEST ).
2. NO - Go to step 2.
Shift the transmission to reverse.
Do the back-up lights come on?
1. YES - Go to step 3.
2. NO - Go to step 4.
Measure voltage between ECM connector terminal B10 and body ground.

Fig 1: Measuring Voltage Between ECM Connector Terminal B10 & Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?
1. YES - The back-up light switch signal is OK.
2. NO - Repair open in the wire between the ECM (B10) and the back-up light switch.
Inspect the No. 10 METER (7.5A) fuse in the under-dash fuse/relay box.
Is the fuse OK?
1. YES
  - Repair open in the wire between the No. 10 METER (7.5A) fuse and the back-up light switch.
  - Inspect the back-up light switch.
2. NO
  - Repair short in the wire between the No. 10 METER (7.5A) fuse and the back-up light switch.
  - Repair short in the wire between the ECM (B10) and the back-up light switch.
  - Replace the No. 10 METER (7.5A) fuse.