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Ford Mustang 2001 Workshop Manual
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2001 Mustang Workshop Manual
SECTION 501-18: Convertible Top
DIAGNOSIS AND TESTING
Convertible Top
Refer to Wiring Diagrams Cell 102, Convertible Top for schematic and connector information.
Special Tool(s)
73 III Automotive Meter
105-R0057 or equivalent
Principles of Operation
The convertible top will only operate with the parking brake engaged and the ignition switch in the RUN position. When the parking brake is engaged, the raise and
lower relay coils are grounded through the parking brake switch. The convertible top switch supplies power to the raise or lower relay coil when raise or lower is
selected. This power energizes the coil causing the relay contacts to close which supplies battery power to the convertible top motor/pump assembly. The normal state
of the relay is connected to ground. When the raise or lower relay is operating, the other relay remains in its normal state supplying the motor/pump ground.
Convertible Top Adjustment
The convertible top adjustments must be made by a qualified technician.
Inspection and Verification
1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
Mechanical
Convertible top brackets and frame
Hydraulic motor and pump
Hydraulic lift cylinders
Door and quarter window glass adjustment
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart.
Symptom Chart
SYMPTOM CHART
Condition
The convertible top does not raise/lower
The convertible top hesitates/comes up uneven
The convertible top does not raise or does not go up all the
way
The convertible top hydraulic system
PINPOINT TEST A: THE CONVERTIBLE TOP DOES NOT RAISE/LOWER
CONDITIONS
http://www.fordtechservice.dealerconnection.com/pubs/content/~WS1B/~MUS~LEN/19/S...
Electrical
Central junction box (CJB) Fuse 20 (15A)
Battery junction box (BJB) circuit breaker CONV TOP (30A)
Wiring harness
Loose or corroded connections
Raise or lower relays
Parking brake switch
Convertible top switch
Possible Sources
Convertible top switch.
Central junction box (CJB) Fuse 20
(15A).
Parking brake switch.
Lower relay.
Raise relay.
Circuitry.
Convertible top adjustment.
Hydraulic lift cylinders.
Hydraulic system.
Convertible top adjustment.
Hydraulic lift cylinders.
Hydraulic system.
Convertible top adjustment.
Hydraulic lift cylinders.
Hydraulic motor/pump assembly.
Hydraulic system.
DETAILS/RESULTS/ACTIONS
Page 1 of 10
2001 Mustang Workshop Manual
Procedure revision date: 03/01/2002
Action
GO to
Pinpoint Test
A.
GO to
Pinpoint Test
B.
GO to
Pinpoint Test
C.
GO to
Pinpoint Test
D.
8/24/2010

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Summary of Contents for Ford Mustang 2001

  • Page 1 2001 Mustang Workshop Manual Page 1 of 10 SECTION 501-18: Convertible Top 2001 Mustang Workshop Manual DIAGNOSIS AND TESTING Procedure revision date: 03/01/2002 Convertible Top Refer to Wiring Diagrams Cell 102, Convertible Top for schematic and connector information. Special Tool(s) 73 III Automotive Meter 105-R0057 or equivalent Principles of Operation...
  • Page 2 2001 Mustang Workshop Manual Page 2 of 10 A1 CHECK THE CONVERTIBLE TOP OPERATION NOTE: The parking brake must be applied for the convertible top system to operate. Depress the convertible top switch in RAISE and LOWER positions while listening for motor operation.
  • Page 3 2001 Mustang Workshop Manual Page 3 of 10 Measure the voltage between raise relay C415 pin 85, circuit 588 (VT), harness side and ground. Is the voltage greater than 10 volts? GO to A4. GO to A5. A4 CHECK CIRCUIT 688 (GY/LB) FOR VOLTAGE Lower Relay C414 Depress and hold the convertible top switch in the LOWER position.
  • Page 4 2001 Mustang Workshop Manual Page 4 of 10 Is the resistance less than 5 ohms? INSTALL a new convertible top switch. REFER to Convertible Top Switch in this section. TEST the system for normal operation. REPAIR Circuit 588 (VT). TEST the system for normal operation. A6 CHECK CIRCUIT 688 (GY/LB) FOR OPEN Measure the resistance between convertible top switch C317 pin 5, circuit 688 (GY/LB), harness side and lower relay C414 pin 85, circuit 688 (GY/LB), harness side.
  • Page 5 2001 Mustang Workshop Manual Page 5 of 10 A8 CHECK CIRCUIT 1205 (BK) FOR AN OPEN Measure the resistance between raise relay C415 pin 87A, circuit 1205 (BK), harness side and ground; and between lower relay C414 pin 87A, circuit 1205 (BK), harness side and ground.
  • Page 6 2001 Mustang Workshop Manual Page 6 of 10 REPAIR the circuit in question. TEST the system for normal operation. A11 CHECK THE CONVERTIBLE TOP MOTOR LOWER CIRCUIT Raise Relay C415 Lower Relay C414 Convertible Top Motor C438 Measure the resistance between convertible top motor C438, circuit 902 (YE), harness side and ground.
  • Page 7 2001 Mustang Workshop Manual Page 7 of 10 Depress and hold the convertible top switch in the LOWER position. Is the voltage greater than 10 volts? GO to A14. INSTALL a new lower relay. TEST the system for normal operation. A14 CHECK THE CONVERTIBLE TOP MOTOR RAISE CIRCUIT Measure the resistance between convertible top motor C438, circuit 903 (RD), harness side and ground.
  • Page 8 2001 Mustang Workshop Manual Page 8 of 10 A16 CHECK THE RAISE INPUT TO THE MOTOR Depress and hold the convertible top switch in the RAISE position. Measure the voltage between convertible top motor C438, circuit 903 (RD), harness side and ground.
  • Page 9 2001 Mustang Workshop Manual Page 9 of 10 CONDITIONS DETAILS/RESULTS/ACTIONS C1 CHECK THE CONVERTIBLE TOP OPERATION NOTE: The parking brake must be applied for the convertible top system to operate. Actuate the convertible top switch to the RAISE position. Did the motor operate? GO to C2.
  • Page 10 2001 Mustang Workshop Manual Page 10 of 10 ADJUST the convertible top. INSTALL the hydraulic system; REFER to Hydraulic System, Lift Cylinder and Motor in this section. TEST the system for normal operation. GO to D5. D5 CHECK THE HYDRAULIC SYSTEM OUT OF THE VEHICLE Bleed the hydraulic system.