Question about 2003 Mercury Grand Marquis
I have a 2003 Mercury Grand Marquis and the brake and gas pedal will only adjust about a 1/2 of an inch ethier way. and it shouls move 2.5 inches.
The vehicle has a optional adjustable brake to increase driver comfort. The brake pedal position is changed in phase with the accelerator pedal. The system is adjusted by pressing the dash-mounted switch that powers the driver motor mounted on the accelerator pedal assembly. The two-way motor operates backward (away from the driver) or forward (toward the driver) to adjust the accelerator pedal directly and the brake pedal through the drive cable attached to the brake pedal assembly.
PINPOINT TEST D: ADJUSTABLE BRAKE PEDAL INOPERATIVE Test Step Result / Action to Take D1 CHECK MOTOR SOUND
GO to D2 .
GO to D7 . D2 CHECK MOTOR INSTALLATION
GO to D3 .
CORRECT the motor installation. TEST the system for normal operation. D3 CHECK ADJUSTABLE ACCELERATOR PEDAL SYSTEM
INSTALL a new adjustable brake pedal assembly. REFER to Section 206-06 . TEST the system for normal operation.
GO to D4 . D4 INSPECT FOR FOREIGN MATERIAL
REMOVE the foreign material. RETEST for normal operation.
GO to D5 . D5 CHECK CABLE
GO to D6 .
INSTALL a new accelerator pedal assembly. REFER to Section 310-02 . TEST the system for normal operation. D6 CHECK CIRCUITS FOR SHORT TO BATTERY
REPAIR the short to battery. TEST the system for normal operation.
GO to D7 . D7 CHECK POWER TO SWITCH
GO to D8 .
REPAIR circuit 490 (RD). TEST the system for normal operation. D8 CHECK GROUND TO SWITCH
GO to D9 .
REPAIR the open circuit. TEST the system for normal operation. D9 TEST SWITCH
INSTALL a new adjustable pedal switch. TEST the system for normal operation.
GO to D10 . D10 CHECK SWITCH-TO-MOTOR CIRCUITS CONTINUITY
Posted on May 12, 2009
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Posted on Jan 02, 2017
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