2002 DODGE RAM Service Repair Manual

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DODGE RAM 2002  Service Repair Manual To avoid possible voltage spike damage to the
PCM, ignition key must be off, and negative battery
cable must be disconnected before unplugging PCM
connectors.
(1) Disconnect negative battery cable(s)

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DODGE RAM 2002  Service Repair Manual of the vehicle. Inputs to the module include a resistor
multiplexed heated seat switch request circuit for
each of the two heated seat switches and the heated
seat sensor inputs from the seat cushions

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DODGE RAM 2002  Service Repair Manual RIGHT SEAT HEATER INOPERATIVE
(1) If a heated seat heats but one or both indicator
lamps (LEDs) on the heated seat switch fail to illu-
minate, check the driver circuit with the inoperative
LED for a

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DODGE RAM 2002  Service Repair Manual (5) Back-probe the heated seat module wire har-
ness connector (Fig. 20) , do not disconnect. Check
cavity #2 for approx. 5v, 5 voltage should be present,
If OK go to Step 6. If NOT OK replace the hea

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DODGE RAM 2002  Service Repair Manual

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DODGE RAM 2002  Service Repair Manual ENGINE SYSTEMS
TABLE OF CONTENTS
page page
BATTERY SYSTEM......................... 1
CHARGING.............................. 25STARTING............................... 31
BATTERY SYSTEM
TABLE OF CONTENT

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DODGE RAM 2002  Service Repair Manual ²Battery- The storage battery provides a reli-
able means of storing a renewable source of electrical
energy within the vehicle.
²Battery Cable- The battery cables connect the
battery terminal posts

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DODGE RAM 2002  Service Repair Manual BATTERY SYSTEM DIAGNOSIS
CONDITION POSSIBLE CAUSES CORRECTION
THE BATTERY SEEMS
WEAK OR DEAD WHEN
ATTEMPTING TO START
THE ENGINE.1. The electrical system
ignition-off draw is excessive.1. Refer to the