Page 1286 of 1395
Power Door Locks
Gontrol Unit Input Test
1. Remove the driver's door panel (see section 20).
2. Disconnect the 18P connector from the control unit.
3. lnspect the connector and socket terminals to be sure they are all marking good contact.
. lf the terminals are bent, loose orcorroded, repairthem as necessary, and recheck the system.
. lf the terminals look OK, make the following input tests at the connector.- lf any test indicates a problem, find and correct the cause, then recheck the system.- lf all the input tests prove OK, the control unit must be faulty; replace it.
BLUGRN/BED GRY YEL WHT/REO WHT/GRN
723,/58
101t12 1131416171E
GRN/WHT I LT
18P CONNECTON
female terminals
23-126
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Page 1287 of 1395

Disconnoci the 18P connestor from the pow€r door lock control unit.
Cavity WireTest conditionTost: Dcsired resultPo$ible csuse il result is not obtainod
Possible cause if result is not obtain€d
*: With keyless entry system
NOTE: To prevent damage to the motor, apply battery voltage only momentarily.
Feconnoct the 18P conneqtor to the power door lock control unit,
Cavity Wir6Test conditionTost: D€sirod result
118LKUnder all conditionsCheck for continuity to ground:
Ther€ should be continuity.
. Poorground (G55'l). An open in the wire
7BLU
Connect the No. 7 termi'nalto the No. 8 terminal,and the No. 6 terminal tothe No. 17 terminalmomentarily.
Check door lock operation:Driver's door should unlock.Faulty actuatorFaulty junction connector (C577)
An open in the wireBlown No. 51 (20 Al{use in the under-
hood fuse/relay box
GRY
Under all conditionsConnect to ground:Horn should sound,Blown No. 52 (15 A)tuso in the under-hood fuse/relay boxFaulty hornFaulty horn relayAn open in tho wire
YEURED
Connect the No. 'l8 termi-nalto the No. 8 terminal,and the No. 6 terminal tothe No. 17 terminalmomentarily.
Check door lock operation:Passenger's doors should unlock.Faulty actuatorAn open in the wireBlown No.51 (20 A)fuse in the under-hood fuse/relay box
WHT/RED
Connect the No.6termi-nal to th6 No. I terminal,and the No. 18 terminal tothe No. 17 terminalmomentarily.
Check door lock operationlAll doors should lock.Faulty actuatorAn open in the wireBlown No. 51 {20 A) fuse in ihe under-hood fuse/relay box
9BLU/RED
Connect an ohmmeterbetween the No. 9 termi-nal and the No. l7 termi-nal. Driver's door lockknob in UNLOCK
Check for conlinuity:There should be continuity.
' Faulty driver's door lock actualor. An open in the wire
WHT/GRNUnder all conditionsCheck for voltage to ground:
There should be battery voltage.Blown No. 51 (20 Alfuse in the under-hood tuse/relay boxAn open in the wire
10BLUAVHTDriver's door lock knob inLOCKCheck tor voltage to ground:There should be 1 V or less.Faulty driver's door lock actuatorPoor ground (G551)
An open in the wire
13BLU/REDlgnition key is in the igni-tion switchCheck tor voltage to ground:
There should b€ 1 V or less.Faulty ignition key switchPoor ground (G401, G402)An open in the wire
YELlgnition switch ON (ll)Check for voltage to ground:
There should be battery voltage.Blown No. 25 (7.5 A) fuse in the under-dash fuse/relay boxAn open in the wire
5YELConnect the No. 5terminal to the No. I ter-minal momentarily
Check hatch glass lock operation:Hatch glass should unlock.
. Faulty hatch glass opener solenoid. An opon in the wire
14LTGRN,NEDPassengor's door openCheck for continuity to ground:There should b€ continuity.
. Fa(llty door switch. An open in the wire
2GRN/R€DFront ceiling light"MlDDLE" positionCheck tor voltage to ground:There should be battery voltage.Faulty lront ceiling lightAn open in the wire
12GRNAr'VHTDriver's door lock switchin LOCKCheck lor voltage to ground:There should be 1V or less.Faulty driver's door lock switchPoor ground {G551)An open in the wire' GRN/ORNDriver's door lock switchin UNLOCK-
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Page 1288 of 1395
Power Door Locks
Driver's Door Lock Knob Switch Test
1. Remove the driver's door panel (see section 20).
2. Disconnect the 6P connector from the actuator.
Terminalside otmale terfiinals
Check for continuity between the terminals in each
switch position according to the table.
rsrmrnal
Position \
?6
LOCKo--o
UNLOCKo---o
23-128
.
6P CONNECTOR
Driver's Door Lock Actuator Test
1, Remove the driver's door panel (see section 20).
2. Disconnect the 6P connector from the actuator.
Terminal side ofmale terminals
Check actuator operation by connecting power and
ground according to the table. To prevent damsge
to the actuator. apply battery voltage only momen-
tarilv,
6P CONNECTOR
Terminal
F*'',1."
__l
LOCK@o
UNLOCK@
'-
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Page 1289 of 1395
Passenger's Door Lock Actuator Test
Remove the passenger's door panel (see section 20).
Disconnect the 2P connector from the actuator.
NOTE: The left rear door lock actuator is shown;
the front passenger's and right rear door lock actua-
tors are similar.
Terminal side ofmale terminals
Check actuator operation by connecting power and
ground according to the table. To prevent damage
to the actuator, apply battery voltage only momen-
raflry.
Terminal
;;il;--r
,l
LOCK@
UNLOCK@
1.
2P CONNECTOR
4. lf the actuator does not work properly, replace it.
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L
Driver's Door Lock Switch Test
Remove the inner handle {see section 20).
Disconnect the 3P connector. then remove the two
mounting screws and driver's door lock switch.
Check for continuitv between the terminals in each
switch position according to the table.
lermlnal
Position \
123
LOCKo---o
OFF
UNLOCKo--_o
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