Honda 2004 Odyssey Service Manual page 1807

Exterior Lights
Daytime Running Lights Control Unit Input Test (cont'd)
4. Make these input tests at the connector.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, the control unit must be faulty; replace it.
Cavity Wire
1 RED/ORN
11 RED/WHT
2 RED/BLU
4 BLK
7
6 GRN/WHT
8 BLU/RED
9 BLU/WHT
10 RED/YEL
3 ORN/WHT
5
12 YEL/RED
13 GRN/RED
22-128
Test condition
Combination light Connect a jumper wire between
switch ON ( ), No. 1 and No. 2 terminals and
and dimmer switch connect No. 11 terminal to
in HIGH ground:
The headlights (HIGH) and high
beam indicator light should
come on.
Under all Check for voltage to ground:
conditions There should be battery voltage.
Under all Check for continuity to ground:
conditions There should be continuity.
Parking brake Check for continuity to ground:
pedal pressed There should be continuity.
Headlights OFF Check for voltage to ground:
There should be battery voltage.
Ignition switch ON Connect to ground:
(II) The indicator light should come
on.
Combination light Check for voltage to ground:
switch ON ( ), There should be battery voltage.
and dimmer switch
in HIGH
Combination light Check for continuity to ground:
switch ON ( ) There should be continuity.
Ignition switch ON Check for voltage to ground:
(II) There should be battery voltage.
Brake fluid Check for continuity to ground:
reservoir float in There should be continuity.
down position
Test: Desired result Possible cause if result is not
obtained
• Blown No. 55 (40A) fuse in
the under-hood fuse/relay
box
• Blown No. 6 (10A) fuse in the
passenger's under-dash fuse/
relay box
• Blown headlight bulb (High
beam)
• Blown high beam indicator
light
• An open in the wire
• Poor ground (G401)
• Blown No. 55 (40A) fuse in
the under-hood fuse/relay
box
• Blown No. 6 (10A) fuse in the
passenger's under-dash fuse/
relay box
• An open in the wire
• Poor ground (G401)
• An open in the wire
• Faulty parking brake switch
• An open in the wire
• Faulty headlight relay 1
• An open in the wire
• Faulty DRL indicator light
• An open in the wire
• Blown No. 45 (15A) fuse in
the under-hood fuse/relay
box
• Faulty combination light
switch
• Faulty headlight relay 2
• An open in the wire
• Faulty combination light
switch
• Poor ground (G401)
• An open in the wire
• Blown No. 5 (7.5A) fuse in the
driver's under-dash fuse/relay
box
• An open in the wire
• Faulty brake fluid level switch
• An open in the wire
• Poor ground (G302)