Land Rover Defender: Charging System
DIAGNOSIS AND TESTING
PRINCIPLE OF OPERATION
For a detailed description of the charging system and operation, refer to the
relevant description and operation section
of the workshop manual.
Battery Care Requirements (Description and Operation),
Quiescent Drain (Description and Operation).
PRINCIPLE OF OPERATION
For a detailed description of the generator and regulator system and
operation, refer to the relevant description and
operation section of the workshop manual. Generator and Regulator
INSPECTION AND VERIFICATION
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution
of control modules does not
guarantee confirmation of a fault and may also cause additional faults in the
vehicle being checked and/or
the donor vehicle
NOTE:
Check and rectify basic faults before beginning diagnostic routines involving
pinpoint tests
- Verify the customer concern
- Visually inspect for obvious signs of mechanical or electrical damage
Visual Inspection
- If an obvious cause for an observed or reported concern is found,
correct the cause (if possible) before
proceeding to the next step
- If the cause is not visually evident, verify the symptom and refer to
the symptom chart, alternatively check for
diagnostic trouble codes (DTCs) and refer to the DTC index
SYMPTOM CHART
READ NEXT:
GENERAL PROCEDURES
CONNECT
WARNINGS:
Do not smoke or carry lighted tobacco or open flame of any type when
working on or near the vehicles
battery. Highly flammable vapors may be present and ignit
GENERAL PROCEDURES
GENERAL EQUIPMENT
CONNECT
WARNINGS:
Do not smoke or carry lighted tobacco or open flame of any type when
working on or near the vehicle
battery. Highly flamable vapors may be
GENERAL PROCEDURES
CHECK
NOTE:
This procedure contains some variation in the illustrations depending
on the vehicle specification, but the
essential information is always correct.
This procedure
SEE MORE:
Make sure to read and fully understand
the following warnings. Failure to comply
with the safety instructions may result in
an accident, leading to serious injury or
death.
Make sure the relevant safety warnings
have been read and understood before
removing the spare wheel.
An open taildoor obscur
CONTROL DIAGRAM - 1 OF 3 - FRONT DOOR WINDOWS
A = HARDWIRED: O = LIN: AZ = HS CAN BODY SYSTEMS BUS.
DDM
PDM
BCM/ GWM
RFA
DRDM - Vehicle with 5 doors only
PRDM - Vehicle with 5 doors only
Front left door window regulator motor
Ground
Power supply
Front left door window regulator motor pos
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