Honda ACCORD HYBRID 2005 Service Manual page 2090

Navigation System
S y m p t o m T r o u b l e s h o o t i n g I n d e x
S y m p t o m Diagnostic procedure Also check for
Navigation system stays on the GPS
initialization screen
System Initialization (see page 23-81) • Navigation unit
• GPS antenna/cable
• Harness/fuses/switches
No picture is displayed Troubleshooting (see page 23-126) • Navigation unit
• Display unit
• Harness/fuses/switches
Address cannot be f o u n d or system
gives poor routing
Verify proper operation using the
Navigation System o w n e r ' s manual
Compare to another like
vehicle
Vehicle position icon constantly leaves
road, moves erratically, or is very far
f r o m actual position
Troubleshooting (see page 23-136) • Navigation unit
• GPS antenna/cable
• PCM (speed and fuel
pulses)
• Harness/fuses/switches
Picture is missing a color or tone Troubleshooting (see page 23-128) • Navigation unit
• Harness/fuses/switches
Picture has lines/rolls/other issues Troubleshooting (see page 23-129) • Navigation unit
• Display unit
• Harness/fuses/switches
Display unit buttons or touch screen
buttons do not w o r k or respond properly
Troubleshooting (see page 23-130) • Display unit
• Harness/fuses/switches
GPS icon does not indicate Troubleshooting (see page 23-133) • Navigation unit
• GPS antenna/cable
• Harness/fuses/switches
Voice guidance cannot be heard Troubleshooting (see page 23-133) • Navigation unit
• A u d i o unit/amplifier
• Harness/fuses/switches
Voice control does not w o r k / r e s p o n d Troubleshooting (see page 23-135) • Navigation unit
• Microphone/steering
buttons
• Harness/fuses/switches
DVD screen error messages Troubleshooting (see page 23-137) • Navigation unit
• Display unit
• DVD
Trip computer-no distance
Troubleshooting (see page 23-137) • PCM (speed and fuel
pulses)
• Harness/fuses/switches
Trip computer-no fuel i n f o r m a t i o n Troubleshooting (see page 23-138) • Gauge assembly (CAN)
• Harness/fuses/switches
Navigation cannot control A/C Troubleshooting (see page 23-138) • Display unit
• Harness/fuses/switches
Display day/night mode does not w o r k Troubleshooting (see page 23-139) • Display unit
• Gauge assembly (CAN)
• Harness/fuses/switches
System locks up constantly Troubleshooting (see page 23-139) • Navigation unit
• Harness/fuses/switches
• DVD
Vehicle icon w a n d e r s across the map
w h e n driving (does not f o l l o w a
displayed road) or map or vehicle ICON
spins
Troubleshooting (see page 23-140) Navigation unit
Navigation drives by itself w h e n parked Troubleshooting (see page 23-140)
Navigation stays on w i t h ignition switch
off
Troubleshooting (see page 23-141)
Harness/fuses/switches
23-124