2003 DODGE RAM ECU

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Page 560 of 2895

DODGE RAM 2003  Service Repair Manual (2) Disconnect the wire harness connector from the
lamp.
(3) Remove lamp lens.
(4) Remove bulb.
(5) Remove screw attaching underhood lamp to the
inner hood panel (Fig. 23).
(6) Separate underhood lamp

Page 561 of 2895

DODGE RAM 2003  Service Repair Manual LAMPS/LIGHTING - INTERIOR
TABLE OF CONTENTS
page page
DOME LAMP
DESCRIPTION.........................24
OPERATION...........................24
REMOVAL.............................24
INSTALLATION.......

Page 574 of 2895

DODGE RAM 2003  Service Repair Manual then sends the proper ambient temperature mes-
sages to the EVIC, CMTC over the PCI J1850 data
bus.
The temperature function is supported by the
ambient temperature sensor, a wiring circuit, the
Front

Page 579 of 2895

DODGE RAM 2003  Service Repair Manual less Entry (RKE) system radio frequency transmit-
ters, if equipped.
Certain functions and features of the power lock
system rely upon resources shared with other elec-
tronic modules in the vehicle o

Page 580 of 2895

DODGE RAM 2003  Service Repair Manual drivers and provides a voltage level to the door lock
motor for a specified time. All passenger doors can be
locked or unlocked using a mechanical button
mounted on the door trim panel. The front pass

Page 584 of 2895

DODGE RAM 2003  Service Repair Manual DRIVER DOOR MODULE SWITCH TESTS
POWER LOCK SWITCH
SWITCH POSITIONRESISTANCE BETWEEN
CONNECTOR C-1 PINS
7&11
NEUTRAL 10 KILOHMS   1%
LOCK 820 OHMS   5%
UNLOCK 330 OHMS   5%
POWER MIRROR SWITCH
SWITC

Page 592 of 2895

DODGE RAM 2003  Service Repair Manual DRIVER SEAT SWITCH
DESCRIPTION
The power seat on this model can be adjusted in
eight different directions, up, down, front up, front
down, rear up, rear down, rearward and forward.
The power seat swit

Page 593 of 2895

DODGE RAM 2003  Service Repair Manual DRIVER POWER SEAT SWITCH TEST TABLE
DRIVER SWITCH
POSITIONCONTINUITY BETWEEN
HORIZONTAL
FORWARDA-L, B-K
HORIZONTAL
REARWARDA-K, B-L
FRONT TILT UP A-M, B-N
FRONT TILT DOWN A-N, B-M
REAR TILT UP A-E, B-