2002 DODGE RAM turn signal

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Page 381 of 2255

DODGE RAM 2002  Service Repair Manual The fuel pump is activated by the PCM through
the fuel pump relay.
Voltage is applied to the fuel injectors with the
ASD relay via the PCM. The PCM will then control
the injection sequence and injecto

Page 382 of 2255

DODGE RAM 2002  Service Repair Manual ACCELERATION MODE
This is an Open Loop mode. The PCM recognizes
an abrupt increase in throttle position or MAP pres-
sure as a demand for increased engine output and
vehicle acceleration. The PCM incr

Page 383 of 2255

DODGE RAM 2002  Service Repair Manual OPERATION
OPERATION - PCM - GAS ENGINES
The PCM operates the fuel system. The PCM is a
pre-programmed, triple microprocessor digital com-
puter. It regulates ignition timing, air-fuel ratio,
emission

Page 384 of 2255

DODGE RAM 2002  Service Repair Manual The PCM can adapt its programming to meet
changing operating conditions.
The PCM receives input signals from various
switches and sensors. Based on these inputs, the
PCM regulates various engine and v

Page 411 of 2255

DODGE RAM 2002  Service Repair Manual (4) Disconnect the starter motor signal wire har-
ness connector, located on the PDC housing.
(5) Disengage wire harness assembly pushpin
retainers.
(6) From under the vehicle, disengage wire har-
nes

Page 434 of 2255

DODGE RAM 2002  Service Repair Manual tem indicator lamp are visible in the lower left corner
of the a/c heater control face plate (Fig. 2).
The heated mirror switch, the heated mirror sys-
tem indicator lamp, the heated mirror system sol

Page 439 of 2255

DODGE RAM 2002  Service Repair Manual tor receptacles on the switches so that the two
heated seat switches can only be connected to the
proper heated seat electrical.
The momentary, bidirectional rocker-type heated
seat switch provides a

Page 440 of 2255

DODGE RAM 2002  Service Repair Manual 3. If not OK, repair the open ground circuit to ground
as required.
(3) Reconnect the battery negative cable. Turn the
park lamps on with the headlamp switch. Rotate the
panel lamps dimmer thumbwheel
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