Honda ACCORD HYBRID 2005 Service Manual page 1933

9. W i t h the connectors still disconnected, make these input tests at the connector.
• If any test indicates a p r o b l e m , f i n d and correct the cause, then recheck the system.
• If the input tests prove OK, go to step 10.
Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained
16 YEL/RED Engine OFF Check for continuity to
g r o u n d :
There should be continuity.
• Faulty engine oil pressure switch
• An open in the w i r e
16 YEL/RED
Engine running Check for continuity to
g r o u n d :
There should be no
continuity.
• Mechanical p r o b l e m in the engine
• Faulty engine oil pressure switch
• An short to g r o u n d in the wire
13
GRN/ORN Parking brake lever
pulled
Check for voltage to
g r o u n d :
There should be less than 1V.
• Faulty parking brake switch
• A n open in the w i r e
13
GRN/ORN
Parking brake lever
released
Check for voltage to
g r o u n d :
There should be about 5 V
or more.
• Faulty parking brake switch
• Short to ground
20 BLK Under all
conditions
Check for continuity to
g r o u n d :
There should be continuity.
• Poor g r o u n d ( G 5 0 1 )
• A n open in the w i r e
10. Run the gauge control module Self-diagnostic Function (see page 22-226).
• If the beeper sounds and the seatbelt light flashes, go to step 11.
• If the beeper does not sounds, or the seatbelt light does not flash, replace the gauge control m o d u l e (see page
22-235).
11. Substitute a k n o w n - g o o d under-dash fuse/relay box and reheck the system.
• It the s y m p t o m is gone, the MICU is faulty; replace the under-dash fuse/relay box.
• It the s y m p t o m is still present, the gauge control m o d u l e is faulty; replace the gauge control m o d u l e (see page
22-235).
22-251