Dodge Ram Truck 1500-2500-3500. Manual — part 488

DIAGNOSIS AND TESTING

POWER SEAT SWITCH

For complete circuit diagrams, refer to the appro-
priate wiring information. The wiring information
includes wiring diagrams, proper wire and connector
repair procedures, details of wire harness routing and
retention, connector pin-out information and location
views for the various wire harness connectors, splices
and grounds.

1. Disconnect and isolate the battery negative cable.

2. Remove the power seat switch from the power

seat.

3. Using an ohmmeter to test the continuity of the

power seat switches in each position. Refer to the
POWER SEAT SWITCH TEST TABLE. If OK,
(Refer

to

8

-

ELECTRICAL/POWER

SEATS/

POWER SEAT TRACK - DIAGNOSIS AND TEST-
ING). If not OK, replace the inoperative power seat
switch.

POWER SEAT SWITCH TEST TABLE

SWITCH POSITION

CONTINUITY BETWEEN

OFF

B-N, B-J, B-M

B-E, B-L, B-K

VERTICAL UP (PASSENGER SEAT)

A-J, A-N, B-M, B-E

VERTICAL DOWN(PASSENGER SEAT)

A-E, A-M, B-N, B-E

VERTICAL UP (DRIVER SEAT)

A-E, A-M, B-N, B-J

VERTICAL DOWN (DRIVER SEAT)

A-J, A-N, B-M, B-E

HORIZONTAL FORWARD

A-L, B-K

HORIZONTAL REARWARD

A-K, B-L

FRONT TILT UP

A-M, B-N

FRONT TILT DOWN

A-N, B-M

REAR TILT UP

A-E, B-J

REAR TILT DOWN

A-J, B-E

8N - 94

POWER SEATS - SERVICE INFORMATION

DR/DH

REMOVAL

1. Disconnect and isolate the battery negative cable.

2. Remove the seat cushion side shield from the seat.

3. Pull the switch bezel or side shield unit (1) out from

the seat far enough to access the switch wire har-
ness connector. Gently pry the locking tabs of the
switch away from the wire harness connector and
carefully unplug the connector from the power seat
switch module (2).

4. Remove the screws (3) that secure the power seat

switch (2) to the side shield unit (1).

INSTALLATION

1. Position the power seat switch (2) on the seat

cushion side shield (1) and install the screws (3).

2. Connect the electrical connector.

3. Install the seat cushion side shield on the seat.

4. Connect the battery negative cable.

DR/DH

POWER SEATS - SERVICE INFORMATION

8N - 95

POWER TOP - SUNROOF - SERVICE INFORMATION

TABLE OF CONTENTS

page

page

POWER TOP - SUNROOF - SERVICE

INFORMATION
DESCRIPTION

. . . . . . . . . . . . . . . . . . . . . . . . . 97

OPERATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . 98

DIAGNOSIS AND TESTING

POWER TOP - SUNROOF

. . . . . . . . . . . . . . . 98

MOTOR-SUNROOF

DIAGNOSIS AND TESTING

MOTOR/MODULE - SUNROOF

. . . . . . . . . . 100

STANDARD PROCEDURE

SUNROOF POSITION CALIBRATION

. . . . . . 101

EXCESSIVE FORCE LIMITATION (EFL)

CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . 101

REMOVAL

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . 102

SWITCH - SUNROOF

DESCRIPTION

. . . . . . . . . . . . . . . . . . . . . . . . 103

OPERATION

. . . . . . . . . . . . . . . . . . . . . . . . . . 103

DIAGNOSIS AND TESTING

SWITCH - POWER SUNROOF

. . . . . . . . . . . 103

8N - 96

POWER TOP - SUNROOF - SERVICE INFORMATION

DR/DH

POWER TOP - SUNROOF - SERVICE INFORMATION

DESCRIPTION

The power sunroof system allows the sunroof to be opened, closed or placed in the vent position electrically by
actuating a switch in the overhead console. The sunroof system receives battery feed through a fuse in the Power
Distribution Center (PDC). The sunroof will operate normally with the key in any position while the Accessory Delay
system is active.

DR/DH

POWER TOP - SUNROOF - SERVICE INFORMATION

8N - 97