Honda Civic Service Manual page 1730

Power Door Locks
Control Unit lnput Test ('96 - 98 models and'99 - 00 models without
Keyless Entry Systeml (cont'dl
Disconnect the 12P connector from the power door lock control unit.
CAUTION: To prevsnt damage to the actuator, apply battery voltage only momentarily.
Cavity Wire
Test condition
Test: Desired result Possible cause if result is nol obtained
*: With keyless entry system
Reconnect the 12P connector to the power door lock control unit.
Cavity Wire Test condition Tssl: Desirsd losull Possible cause it resull b not obtained
4
BLK
U n d e r a l l c o n d i t i o n s
Check for continuity to ground:
There should be continuity.
. Poor ground (G55'l )
. An open in the wire
WHT/GRN
U n d e r a l l c o n d i t i o n s
Check for voltage to ground:
There should be battery voltage.
. Blown No. 51 (20 A)fuse in the
under-hood fuse/relay box
. An open in the wire
2 YEURED
Connect the YEURED
terminal to the WHT/
GRN terminal, and the
WHT/RED terminal to
the BLK terminal
momenraflty.
Check door lock operation:
All passenger's doors should
u n t o c K .
Blown No. 51 {20 A) fuse in the
under-hood fuse/relay box
Faulty actuator
An open in the wire
3
BLU/RED
Connect the BLU/RED
terminal to the WHT/
G R N t e r m i n a l . a n d t h e
WHT/RED terminal to
the BLK terminal
momenraflry.
Check door lock operation:
Driver's door should unlock.
5
WHT/RED
connect the WHT/RED
terminal to the WHT/
G R N t e r m i n a l , a n d t h e
YEL/RED terminal to
t h e B L K t e r m i n a l
momenrafl ty.
Check door lock operation:
All passenger doors should lock.
BLU/YEL
U n d e r a l l c o n d i t i o n s . Check for continuity between the
power door lock control unit l2P
connector No. 6 terminal and
audio unit 16P connector No. 3 ter-
minal: The.e should be continuity.
An open in the wire
GRN,ryVHT
Driver's door lock
switch in LOCK
Check for voltage to ground:
There should be 1 V or less.
Faulty driver's door lock switch
P o o r g r o u n d { G 5 5 1 )
An open in the wire
8 G R N / O R N
Driver's door lock
switch in UNLOCK
7 BLUA/VHT
Driver's door lock knob
in LOCK
Check for voltage to ground:
There should be 1 V or less.
Faulty driver's door lock actuator
P o o r g r o u n d { G 5 5 1 )
An open in the wire