Parking Brake And Actuation (2003.5-09)

• Specifications
  • Specifications
• General Procedures
  • Parking Brake Cable Tension Release - VIN Range: G00442->G45703
    • Special Service Tools
  • Parking Brake Cable Tension Release - VIN Range: G45704->G99999
    • Special Service Tools
• Description and Operation
  • Parking Brake - VIN Range: G00442->G45703
    • Notes
    • Electric Park Brake
    • EPB Operation
  • Parking Brake - VIN Range: G45704->G99999
    • Notes
    • Electric Park Brake
    • EPB Operation
• Diagnosis and Testing
  • Parking Brake - VIN Range: G00442->G45170
    • Inspection and Verification
    • Symptom Chart
    • Driver Information Chart
    • Diagnostic Trouble Code (DTC) index
    • Pinpoint Tests
      • Notes
      • PINPOINT TEST G295394p1: DTC B1342; CONTROL MODULE FAILURE
        • G295394t1: CHECK THE POWER SUPPLY TO THE EPB CONTROL MODULE
        • G295394t2: CHECK THE GROUND TO THE EPB CONTROL MODULE
      • PINPOINT TEST G295394p2: DTC C1094, C1769, C1782, C1783; PARK BRAKE APPLY SWITCH CIRCUIT FAILURE/SHORT TO GROUND, PARK BRAKE RELEASE SWITCH CIRCUIT FAILURE/SHORT TO GROUND
        • G295394t3: CHECK THE SIGNAL GROUND TO THE EPB SWITCHPACK
        • G295394t4: CHECK THE SIGNAL GROUND CIRCUIT TO THE EPB SWITCHPACK FOR HIGH RESISTANCE
        • G295394t5: CHECK THE VOLTAGE FROM THE EPB CONTROL MODULE TO THE SWITCHPACK
        • G295394t6: CHECK THE EPB CONTROL MODULE TO SWITCHPACK CIRCUITS FOR HIGH RESISTANCE
        • G295394t7: CHECK THE EPB CONTROL MODULE TO SWITCHPACK CIRCUITS FOR SHORT TO GROUND
      • PINPOINT TEST G295394p3: DTC C1989; PARK BRAKE APPLY AND RELEASE SWITCH CONTACTS ENERGIZED SIMULTANEOUSLY
        • G295394t8: CHECK PARK BRAKE APPLY SWITCH FUNCTION
        • G295394t9: CHECK PARK BRAKE RELEASE SWITCH FUNCTION
        • G295394t10: CHECK THE PARK BRAKE SWITCH FOR SHORT CIRCUIT
      • PINPOINT TEST G295394p4: DTC C1784, C1785, C1786; EPB MOTOR OUTPUT OPEN/SHORT CIRCUIT
        • G295394t11: CHECK THE EPB MOTOR + CIRCUIT FOR OPEN CIRCUIT
        • G295394t12: CHECK THE EPB MOTOR - CIRCUIT FOR OPEN CIRCUIT
        • G295394t13: CHECK THE EPB MOTOR + CIRCUIT FOR SHORT TO GROUND
        • G295394t14: CHECK THE EPB MOTOR - CIRCUIT FOR SHORT TO GROUND
        • G295394t15: CHECK THE EPB MOTOR + AND - FOR SHORT CIRCUIT TO EACH OTHER
        • G295394t16: CHECK THE EPB MOTOR FOR OPEN CIRCUIT
      • PINPOINT TEST G295394p5: DTC C1799; HALL EFFECT SENSOR FAILURE
        • G295394t17: CHECK THE HALL EFFECT SENSOR POWER SUPPLY
        • G295394t18: CHECK THE HALL EFFECT SENSOR POWER SUPPLY CIRCUIT FOR HIGH RESISTANCE
        • G295394t19: CHECK THE HALL EFFECT SENSOR SIGNAL GROUND
        • G295394t20: CHECK THE HALL EFFECT SENSOR SIGNAL GROUND CIRCUIT FOR HIGH RESISTANCE
        • G295394t21: CHECK THE HALL EFFECT SENSOR INPUT CIRCUIT FOR HIGH RESISTANCE
  • Parking Brake - VIN Range: G45171->G99999
    • Principles of Operation
    • Inspection and Verification
    • Symptom Chart
    • DTC index
    • Pinpoint Tests
      • PINPOINT TEST G531320p1: PRIMARY PARKING BRAKE APPLY SWITCH CIRCUIT FAILURE
        • G531320t1: CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t2: CHECK THE PRIMARY RELEASE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t3: CHECK THE SECONDARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t4: CHECK THE SECONDARY RELEASE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t5: CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR OPEN CIRCUIT
        • G531320t6: CHECK THE SWITCH RETURN CIRCUIT FOR OPEN CIRCUIT
        • G531320t7: CHECK THE ELECTRIC PARKING BRAKE SWITCH
        • G531320t8: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t9: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t10: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t11: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
      • PINPOINT TEST G531320p2: SECONDARY APPLY SWITCH CIRCUIT VOLTAGE OUT OF RANGE
        • G531320t12: CHECK THE SECONDARY SWITCH CIRCUIT RESISTANCE
      • PINPOINT TEST G531320p4: SECONDARY RELEASE SWITCH CIRCUIT VOLTAGE OUT OF RANGE
        • G531320t21: CHECK THE SECONDARY SWITCH CIRCUIT RESISTANCE
      • PINPOINT TEST G531320p5: SECONDARY APPLY SWITCH CIRCUIT SHORT CIRCUIT TO GROUND
        • G531320t22: CHECK THE SECONDARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
        • G531320t23: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
      • PINPOINT TEST G531320p7: SECONDARY APPLY HARNESS SHORT CIRCUIT TO BATTERY OR OPEN CIRCUIT
        • G531320t31: CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t32: CHECK THE PRIMARY RELEASE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t33: CHECK THE SECONDARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t34: CHECK THE SECONDARY RELEASE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t35: CHECK THE SECONDARY APPLY SIGNAL CIRCUIT FOR OPEN CIRCUIT
        • G531320t36: CHECK THE SWITCH RETURN SIGNAL CIRCUIT FOR OPEN CIRCUIT
        • G531320t37: CHECK THE ELECTRIC PARKING BRAKE SWITCH
        • G531320t38: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t39: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t40: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t41: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
      • PINPOINT TEST G531320p8: PRIMARY RELEASE SWITCH CIRCUIT OUT OF RANGE
        • G531320t42: CHECK THE PRIMARY RELEASE SWITCH CIRCUIT RESISTANCE
      • PINPOINT TEST G531320p9: PRIMARY APPLY SWITCH CIRCUIT OUT OF RANGE
        • G531320t43: CHECK THE PRIMARY APPLY SWITCH CIRCUIT RESISTANCE
      • PINPOINT TEST G531320p10: PRIMARY APPLY SWITCH CIRCUIT SHORT CIRCUIT TO GROUND
        • G531320t44: CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
        • G531320t45: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
      • PINPOINT TEST G531320p11: HIGH POWER BATTERY FEED CIRCUIT SHORT CIRCUIT TO GROUND OR OPEN CIRCUIT
        • G531320t46: CHECK THE HIGH POWER SUPPLY CIRCUIT
      • PINPOINT TEST G531320p12: PRIMARY RELEASE SWITCH CIRCUIT SHORT CIRCUIT TO GROUND
        • G531320t47: CHECK THE PRIMARY RELEASE SIGNAL CIRCUIT FOR SHORT TO GROUND
        • G531320t48: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
      • PINPOINT TEST G531320p13: PARKING BRAKE ACTUATOR OUTPUT SHORT CIRCUIT TO GROUND
        • G531320t49: CHECK THE ACTUATOR NEGATIVE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
        • G531320t50: CHECK THE ACTUATOR POSITIVE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
        • G531320t51: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
        • G531320t52: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
      • PINPOINT TEST G531320p15: HIGH POWER GROUND FEED OPEN CIRCUIT
        • G531320t61: CHECK THE MODULE GROUND CIRCUIT FOR CONTINUITY
      • PINPOINT TEST G531320p16: ACTUATOR OUTPUT SHORT CIRCUIT TO BATTERY
        • G531320t62: CHECK THE ACTUATOR NEGATIVE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t63: CHECK THE ACTUATOR POSITIVE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t64: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
        • G531320t65: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
      • PINPOINT TEST G531320p17: ACTUATOR HALL EFFECT SENSOR CIRCUIT FAILURE
        • G531320t66: CHECK THE HALL EFFECT 5 VOLT SUPPLY CIRCUIT FOR SHORT CIRCUIT TO GROUND
        • G531320t67: CHECK THE HALL EFFECT 5 VOLT SUPPLY CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t68: CHECK THE ACTUATOR SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
        • G531320t69: CHECK THE ACTUATOR SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t70: CHECK THE SENSOR RETURN CIRCUIT FOR SHORT CIRCUIT TO BATTERY
        • G531320t71: CHECK THE SENSOR RETURN CIRCUIT FOR OPEN CIRCUIT
        • G531320t72: CHECK THE HALL EFFECT 5 VOLT SUPPLY CIRCUIT FOR OPEN CIRCUIT
        • G531320t73: CHECK THE ACTUATOR SIGNAL CIRCUIT FOR OPEN CIRCUIT
        • G531320t74: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
        • G531320t75: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
        • G531320t76: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
        • G531320t77: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
        • G531320t78: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
      • PINPOINT TEST G531320p18: SECONDARY RELEASE HARNESS SHORT CIRCUIT TO BATTERY OR OPEN CIRCUIT
        • G531320t79: CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t80: CHECK THE PRIMARY RELEASE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t81: CHECK THE SECONDARY APPLY SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t82: CHECK THE SECONDARY RELEASE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t83: CHECK THE SECONDARY RELEASE SIGNAL CIRCUIT FOR OPEN CIRCUIT
        • G531320t84: CHECK THE SWITCH RETURN SIGNAL CIRCUIT FOR OPEN CIRCUIT
        • G531320t85: CHECK THE ELECTRIC PARKING BRAKE SWITCH
        • G531320t86: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t87: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t88: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t89: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
      • PINPOINT TEST G531320p19: ACTUATOR DOES NOT FULLY RELEASE
        • G531320t90: CHECK THE HIGH CURRENT GROUND CIRCUIT FOR AN OPEN CIRCUIT IN THE HARNESS
      • PINPOINT TEST G531320p20: SECONDARY RELEASE SWITCH CIRCUIT SHORT CIRCUIT TO GROUND
        • G531320t91: CHECK THE SECONDARY RELEASE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
        • G531320t92: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
      • PINPOINT TEST G531320p21: APPLY AND RELEASE SWITCH CONTACTS ENERGIZED SIMULTANEOUSLY
        • G531320t93: CHECK THE PRIMARY EPB APPLY AND RELEASE CIRCUIT FOR SHORT CIRCUIT
        • G531320t94: CHECK THE SECONDARY EPB APPLY AND RELEASE CIRCUIT FOR SHORT CIRCUIT FAULTS
        • G531320t95: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t96: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
      • PINPOINT TEST G531320p22: BRAKE SWITCH INPUT STATUS PLAUSIBILITY FAILURE
        • G531320t97: CHECK THE BRAKE SWITCH CIRCUIT FOR SHORT CIRCUIT TO POWER IN HARNESS
        • G531320t98: CHECK THE BRAKE SWITCH CIRCUIT FOR SHORT CIRCUIT TO GROUND IN THE HARNESS
        • G531320t99: CHECK THE BRAKE SWITCH CIRCUIT FOR SHORT CIRCUIT TO POWER IN THE HARNESS
      • PINPOINT TEST G531320p24: ACTUATOR OUTPUT OPEN CIRCUIT
        • G531320t102: CHECK THE ACTUATOR CIRCUIT RESISTANCE
        • G531320t103: CHECK THE ACTUATOR SIGNAL CIRCUIT FOR OPEN CIRCUIT
        • G531320t104: CHECK THE ACTUATOR RETURN CIRCUIT FOR OPEN CIRCUIT
        • G531320t105: CHECK THE ACTUATOR CIRCUIT RESISTANCE
      • PINPOINT TEST G531320p29: PRIMARY PARKING BRAKE RELEASE SWITCH CIRCUIT FAULT
        • G531320t134: CHECK THE PRIMARY RELEASE SWITCH SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t135: CHECK THE PRIMARY APPLY SWITCH SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t136: CHECK THE SECONDARY APPLY SWITCH SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t137: CHECK THE SECONDARY RELEASE SWITCH SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
        • G531320t138: CHECK THE PRIMARY RELEASE SWITCH SIGNAL CIRCUIT FOR HIGH RESISTANCE
        • G531320t139: CHECK THE APPLY SWITCH RETURN CIRCUIT FOR HIGH RESISTANCE
        • G531320t140: CHECK THE SWITCH RESISTANCE
        • G531320t141: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t142: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t143: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
        • G531320t144: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH
• Removal and Installation
  • Parking Brake Module - VIN Range: G00442->G45703 (70.35.47)
    • Removal
    • Installation
  • Parking Brake Module - VIN Range: G45704->G99999 (70.35.47)
    • Removal
    • Installation
  • Parking Brake Pads - Vehicles With: High Performance Brakes (70.40.04)
    • Special Service Tools
    • Removal
    • Installation
  • Parking Brake Rear Cables
    • Removal
    • Installation
  • Parking Brake Release Actuator - VIN Range: G00001->G03445 (70.35.45)
    • Removal
    • Installation
  • Parking Brake Release Actuator - VIN Range: G03446->H99999 (70.35.45)
    • Special Service Tools
    • Removal
    • Installation
  • Parking Brake Switch (70.35.46)
    • Installation