Honda ACCORD HYBRID 2005 Service Manual page 1821

11. Reconnect the connector to the door multiplex control u n i t and make these input tests at the connectors.
• If any test indicates a p r o b l e m , find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 12.
Cavity Wire Test condition Test: Desired result Possible cause if result is not
obtained
7 WHT/BLK Driver's door lock knob Check for voltage to g r o u n d : • Poor g r o u n d (G501)
switch unlocked There should be less than 1V. • Faulty driver's door lock
knob switch
• A n open in the w i r e
Driver's door lock knob Check for voltage to g r o u n d : • Faulty driver's door lock
switch locked There should be 5 V or more. knob switch
• Short to g r o u n d
22 YEL/RED Driver's door lock knob Check for voltage to g r o u n d : • Poor g r o u n d (G501)
switch locked There should be less than 1V.
• Faulty driver's door lock
knob switch
• A n open in the w i r e
Driver's door lock knob Check for voltage to g r o u n d : • Faulty driver's door lock
switch unlocked There should be 5 V or more. knob switch
• Short to ground
21 W H T Driver's door key Check for voltage to g r o u n d : • Faulty driver's door key
cylinder switch in There should be less than 1V. cylinder switch
UNLOCK • Poor ground (G501)
Driver's door key Check for voltage to g r o u n d : • A n open in the w i r e
cylinder switch in There should be 5 V or more. • Short to ground
neutral
Driver's door key Check for voltage to g r o u n d :
cylinder switch in There should be 5 V or more.
LOCK
8 WHT/RED Driver's door key Check for voltage to g r o u n d : • Faulty driver's door key
cylinder switch in There should be less than 1V. cylinder switch
LOCK
• Poor g r o u n d (G501)
Driver's door key
Check for voltage to g r o u n d :
• A n open in the w i r e
cylinder switch in
There should be 5 V or more.
• Short to g r o u n d
neutral
Driver's door key
cylinder switch in
Check for voltage to g r o u n d :
There should be 5 V or more.
UNLOCK
12. If all the input tests prove OK, and no DTCs were f o u n d during MICU t r o u b l e s h o o t i n g (B-CAN system diagnosis
test mode A), go to the B-CAN system input and output index. If multiple failures are f o u n d on more than one
control unit, replace the under-dash fuse/relay box (includes the MICU). If input failures are related to a particular
control unit, replace that control unit.
22-139