Ford Mustang (1999-2004) Service Manual: Reversing Lamps
Refer to Wiring Diagrams Cell 93 , Backup Lamps for schematic and connector information.
Special Tool(s)
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73III Automotive Meter or equivalent 105-R0057 |
Inspection and Verification
1. Verify the customer concern by operating the reversing lamps.
2. Visually inspect for obvious signs of mechanical and electrical damage; refer to the following chart:
Visual Inspection Chart
Mechanical | Electrical |
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3. If the concern is not visually evident, determine the symptom and proceed to Symptom Chart.
Symptom Chart
Condition | Possible Sources | Action |
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Pinpoint Tests
PINPOINT TEST R: THE REVERSING LAMPS ARE INOPERATIVE
Test Step | Result / Action to Take |
R1 CHECK THE VOLTAGE TO THE DTR SENSOR (A/T) OR THE REVERSING LAMP SWITCH (M/T) | Yes GO to R2 . No REPAIR the circuit. TEST the system for normal operation. |
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R2 CHECK CIRCUIT 140 (BK/PK) FOR OPEN | Yes INSTALL a new DTR sensor (A/T) or reversing lamp switch (M/T); TEST the system for normal operation. No GO to R3 . |
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R3 CHECK REVERSING LAMPS GROUND | Yes REPAIR Circuit 140 (BK/PK) for open. TEST the system for normal operation. No REPAIR the circuit. TEST the system for normal operation |
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PINPOINT TEST S: THE INDIVIDUAL REVERSING LAMP IS INOPERATIVE
Test Step | Result / Action to Take |
S1 CHECK REVERSING LAMPS GROUND | Yes REPAIR Circuit 140 (BK/PK) for open. TEST the system for normal operation. No REPAIR the circuit. TEST the system for normal operation. |
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PINPOINT TEST T: THE REVERSING LAMPS ARE ON CONTINUOUSLY
Test Step | Result / Action to Take |
T1 CHECK THE CONTINUITY OF THE DTR SENSOR (A/T) OR THE REVERSING LAMP SWITCH (M/T) | Yes REPAIR Circuit 140 (BK/PK) for short to battery. TEST the system for normal operation. No INSTALL a new DTR sensor (A/T) or reversing lamp switch (M/T); TEST the system for normal operation. |
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Fog Lamps
Refer to Wiring Diagrams Cell 86 , Fog Lamps for schematic and connector
information.
Special Tool(s)
73 III Automotive Meter or
equivalent
105-R0057
Principles of Operation
The f ...
Headlamp Adjustment
Headlamp Aiming
1. The headlamp aiming procedure depends on the type of beam pattern the
headlamp is
equipped with. Vehicles may come equipped with visual optical right (VOR),
visual optical lef ...
Other materials:
Steering Wheel
Adjusting the steering wheel
WARNING: Do not adjust the steering wheel when your vehicle
is moving.
Note: Make sure that you are sitting in the correct position. See
Sitting
in the Correct Position in the Seats chapter.
1. Unlock the steering column.
2. Adju ...
Principles of operation
MyKey allows you to program keys with restricted driving modes to
promote good driving habits. You can use all but one of the keys
programmed to your vehicle with these restricted modes.
Any keys that have not been programmed are referred to as
administrator ...
Pinpoint Test C: LFC 29/DTC C1414 - Incorrect Vehicle Identification Code
Normal Operation
The restraints control module (RCM) monitors the electrical state of pins
10, 13 and 14 to determine if
it is installed on the correct vehicle. If the RCM detects an incorrect
condition on any of these pins, it
will store a diagnostic t ...