Pinpoint Test A: C2005:92, C2006:92

A1 CHECK ACTUATOR MOTOR OPERATION
- Make sure the parking brakes are released.
- Remove the parking brake actuator motor, do not disconnect the electrical connector.
  REFER to: PARKING BRAKE ACTUATOR MOTOR .
- NOTE: Performing this step sets DTC C2005:74 or C2006:74 in the ABS module.
  
  Observe the actuator motor and, using the parking brake switch, apply and release the parking brake.
Does the actuator motor operate?
- Yes : GO to A2
- No : INSTALL a new actuator motor.
  REFER to: PARKING BRAKE ACTUATOR MOTOR .
A2 CHECK THE MECHANICAL RESISTANCE
- Make sure the parking brakes are released.
- Using a torque wrench, turn the ball screw drive approximately 30 degrees either left or right. Note the amount of torque required to turn the ball screw drive.
Is the torque required to turn the ball screw drive greater than 5 Nm (44 lb-in)?
- Yes : INSTALL a new brake caliper.
  REFER to: BRAKE CALIPER .
- No : INSTALL a new actuator motor.
  REFER to: PARKING BRAKE ACTUATOR MOTOR .