Page 1416 of 2189

Heater Control Panel
'95 - 98 modolsi
Remove the driver's dashboard lower cover, the
glove box and the center dashboard lower cover(see section 20).
Disconnect the air mix control cabls from the heater
unit {see page 21-44).
Remove the rear window defogger switch, the hazard
warning switch and the audio unit (see section 23).
Disconnect the connectors from the heater control
panel. Remove the five self-tapping screws and the
center panel together with the heater control panel.
NOTE: The locking tabs are on the bottom of the
connecrors.
Install in the .everse order of removal. Adjust the air
mix control cable and the heater valve cable {seepage 21-44)..
Replacement
1.
Remove the four self-tapping screws and the heater
21-42
1.
'9!, - 00 modols:
Remove the center panel together with the heater
control panel (see section 20).
Remove the self-tapping screws and the heater con-
trol panelfrom the center Danel.
Install in the reverse order of removal. After
tion, operate the heater control panel to see
whether it works properly.
installa-
Page 1732 of 2189
Power Door Locks
Audio Unit {Keyless Receiver Circuitl Input Test ('96 - 98 models}
Remove the audio unit, then disconnect the A and B connectors (see page 23-189).
Inspect the connector and socket terminals to be sure they are all making good contact
. lf the terminals are bent, loose or corroded, repair them as necessary, and recheck the system
. lf the terminals look OK, make the following input tests at the connector.
- lf anv test indicates a problem, find and correct the cause, then recheck the system
lf all the inout tests prove OK, the control unit must be faulty; replace it.
A CONNECTOBB CONNECTOR
16P CONNECTORS
AUDIO UNIT
L
2.
WHT/BLU YEL/RED
{KEYLESS RECEIVER CIRCUIT}
23-262
Page 1733 of 2189

)
l-l
Disconnect the A and B connectors from the audio unit.
Cavity WireTest conditionTest: Desired resultPossible cause if result is not obtained
Reconnect the B connector only to the audio unit.
Cavity WireTest conditionTest: Desired resultPossible cause iI result is not obtained
B9GRN/ORN
Driver's door lock
switch in UNLOCK
Check for voltage to ground:
There should be 1 V or less.
. Poor ground 1G551). Faulty driver's door lock switch. An open in the wire. Short in the wireDriver's door lock
switch in LOCK
Check for voltage to grou nd:
There should be 4 V or more.
810G R NAr'r'HT
Driver's door lock
switch in UNLOCK
Check for voltage to ground:
There should be 4 V or more.
. Poor ground (G551)
. Faulty driver's door lock switch. An open in the wire. Shon in the wireDriver's door lock
switch in LOCK
Check lor voltage to ground:
There should be I V or less.
23-263
A4WHT/BLU
LJnder all conditionsCheck {or voltage to ground:
There should be battery voltage.
. Blown No. 47 (7.5 A) tuse in the
under hood fuse,i relay box. An open n the w re
A5YEL/RED
lg nition swirch ACC (l)Check for voltage to ground:
There should be battery voltage.
Blown No. 28 , I0 A) f use in the
under dash fuse.elay box
An open " :ne n re
Check for voltage to ground:
There should be battery voltage.
Check for continuity to groundr
There should be continuity.
B o$. \. '.1 - 5 A' iuse n the
,,^oe' aas_'-se relay box
A_ ooe^ ' :ne wrre
Pc.' E'o--d rG401, G402)
A- ooen n lhe wire
B6B LK,/YE L
lgnition switch ON0l)
8158LK
Under all conditions
B1BLU/RED
lgnition key inserted
into the ignition key
swrtch
Check for voltage to ground:
There should be 1 V or less
Check for voltage to ground:
There should be 4 V or more
Poor ground (G401, G402)
Faulty ignition key switch
An open in the wire
Short in the wire
An open in the wireCheck for continuity berwee. lFe
audio unit 16P connector l-o 3ler-
minal and power door lock control
unit 12P connector No. 6 lermrnal:
There should be continu ty
lgnition key removed
from the ig nition key
swtlcn
B3B LUlt/E L
U nderall conditions
B8LT GRN/
BLK
Ceiling light switch in"middle position"
Connect to ground:
The ceiling lighr shouldcome on.
Blown No.43 (7.5 A) fuse in the
under-hood Iuse/relay box
Blown ceiling light bulb
Fau lty ceiling light
An open in the wire
814LT GRN/
RED
Each door open, one at
a time
Check tor voltage to ground:
There should be'l V or less.
. Faulty door switch. An open in the wire
Br6GRY
U nderall conditionsConnect to groundl
Horn should sound.
. Blown No. 52 ('15 A) fuse in the
under-hood fuse/relay box
. Fau lty horn. Faulty horn relay. An open in the wire