Table of Contents
Advertisement
Power Door Locks/Factory Keyless/Factory Security
Control Unit Input Test (cont'd)
8. With the multiplex control unit still disconnected, make these input tests at the connector and fuse/relay box sockets.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 9.
Cavity
Wire
A8
Fuse/relay
box socket
A9
A21
A22
A23
A24
B22
BLK
A10
Fuse/relay
A11
box socket
B11
YEL
B2
GRN/BLU
B3
PNK/BLK
B4
RED/YEL
: '01-04 EX and '02-04 EXL models
22-272
Test condition
Under all conditions
Jump A9 to body ground
Ceiling lights switch in the
middle position
Ignition switch ON (II)
Under all conditions
Under all conditions
Under all conditions
Connect the A10 terminal to
the A23 terminal, and the
A11 to B22 momentarily
Connect the A10 terminal to
the A23 terminal, and the
B11 to B22 momentarily
Under all conditions
Under all conditions
Under all conditions
Test: Desired result
Check for continuity to ground:
There should be continuity.
The horn should sound.
Attach to ground:
Ceiling lights should come on with
the interior light switch in the
DOOR position.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be battery voltage.
Check for continuity to ground:
There should be continuity.
Check door lock operation:
The tailgate, the passenger's door,
and both sliding doors should lock
(reverse the connection to unlock)
The driver's door and left sliding
door should lock
(reverse the connection to unlock)
Check for continuity between the
B2 terminal and keyless receiver
unit No. 4 terminal:
There should be continuity.
Check for continuity between the
B3 terminal and keyless receiver
unit No. 5 terminal:
There should be continuity.
Check for continuity between the
B4 terminal and keyless receiver
unit No. 6 terminal:
There should be continuity.
Possible cause if result is not obtained
•
Poor ground (G581)
•
An open in the wire
•
Blown No. 47 (20A) fuse in the
under-hood fuse/relay box
•
Faulty horn relay
•
Faulty horn
•
An open in the wire
•
Blown No. 11 (10A) fuse in the
passenger's under-dash fuse/relay
box
•
Faulty interior lights relay
•
Faulty interior light switch
•
An open in the wire
•
Poor ground (G401)
•
Blown No. 9 (10A) fuse or faulty
driver's under-dash fuse/relay box
•
An open in the wire
•
Blown No. 12 (20A) fuse in the
passenger's under-dash fuse/relay
box
•
Faulty passenger's under-dash fuse/
relay box
•
Blown No. 13 (7.5A) fuse in the
passenger's under-dash fuse/relay
box
•
Faulty passenger's under-dash fuse/
relay box
•
Poor ground (G503)
•
An open in the wire
•
Blown No. 12 (20A) fuse in the
passenger's under-dash fuse/relay
box
•
Faulty fuel fill door relay
•
Faulty door lock actuators
•
Faulty sliding door junction switch
•
An open in the wire
•
An open in the wire
•
An open in the wire
•
An open in the wire
Advertisement
Chapters
Table of Contents
Troubleshooting
