Tips and Precautions
Before Troubleshooting
1. Check applicable fuses in the appropriate fuse/relay
box.
2. Check the battery for damage, state of charge, and
clean and tight connections.
NOTICE
Do
Engine Compartment
VSA MODULATOR-CONTROL UNIT
AUXILIARY UNDER-HOOD
RELAY BOX
POWER MIRROR
DEFOGGER RELAY
PCM
RADIATOR FAN RELAY
ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY
ELD U
Connector Index
Identification numbers have been assigned to in-line connectors, junction
connectors, and terminals. The number is preceded by the letter ºC" for
connectors "G" for ground terminals
NOTE:
Check the radio reception in an open area.
Compare it to a known-good vehicle of the same
model, year, and trim level whenever possible.
If necessary, have the customer demonstrate the
symptom.
Poor reception/interference can be caused by the following.
The radio station is far away.
Check the fluid level in the brake
fluid reservoir monthly.
Replace the brake fluid according to
the maintenance messages shown on
the information display.
Always use Honda Heavy Duty
Brake Fluid DOT 3. If it is not
available, you should use only DOT 3
or DOT 4 fluid, from a sealed
c