porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Traction Control Module|Service and Repair > < Traction Control Module|Locations|Page 4377
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44

PSM off (from PSM button)

46

Diagnosis communication wire

48

Stop light switch (close)

49

Switch-over valve 1;
PSM hydraulic unit (ground)

50

Switch-over valve 2;
PSM hydraulic unit (ground)

51

Power supply terminal 30

52

Booster valve 2
PSM hydraulic unit (ground)

53

Activation of rear left inlet valve
PSM hydraulic unit (ground)

54

Booster valve 1
PSM hydraulic unit (ground)

55

Activation of front right
outlet valve; PSM hydraulic unit
(ground)

61

CAN bus (high)

62

CAN shield

63

CAN bus (low)

67

Booster pump pressure sensor (ground)

68

Booster pump pressure sensor (signal wire)

69

Booster pump pressure sensor (voltage)

70

Speed signal output
rear left speed sensor 
(instrument cluster)

75

Transverse acceleration sensor (voltage)

76

Parking brake contact

77

Rate-of-turn sensor (test signal)

78

Rate-of-turn sensor (reference signal)

79

Rate-of-turn sensor (signal wire)

80

Rate-of-turn sensor (ground)

83

PSM monitor button off

86

PSM on (from PSM button)

88

PSM/ASR/ABD information signal light

Traction Control Module|Service and Repair > < Traction Control Module|Locations|Page 4377