Mitsubishi Montero (2004+). Manual — part 1172

SRS AIR BAG DIAGNOSIS

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-23

DIAGNOSTIC TROUBLE CODE CHART

M1524003300584

Inspect according to the inspection chart that is appropriate for the DTC.

DIAGNOSTIC
TROUBLE CODE NO.

INSPECTION ITEM

REFERENCE PAGE

1A*

3

Front impact sensor (LH) circuit short

P.52B-26

1B*

3

Front impact sensor (LH) circuit open

P.52B-26

1C*

3

Front impact sensor (LH) short-circuited to power supply

P.52B-26

1D*

3

Front impact sensor (LH) short-circuited to ground

P.52B-26

2A*

3

Front impact sensor (RH) circuit short

P.52B-26

2B*

3

Front impact sensor (RH) circuit open

P.52B-26

2C*

3

Front impact sensor (RH) short-circuited to power supply

P.52B-26

2D*

3

Front impact sensor (RH) short-circuited to ground

P.52B-26

11*

4

Front impact sensor system circuit short

P.52B-32

12*

4

Front impact sensor system either circuit open or no power
supply

P.52B-32

13*

4

Front impact sensor system detects either both are open or
no power supply

P.52B-32

14

Analog G-sensor system in the SRS-ECU

P.52B-38

15

Safing G-sensor short circuit

P.52B-38

16

Safing G-sensor open circuit

P.52B-38

17

Safing G-sensor for side-airbag faults

P.52B-38

21*

2

Driver's air bag module (squib) system fault 1 (Short circuit
between terminals of the squib circuit)

P.52B-40

22*

2

Driver's air bag module (squib) system fault 2 (Open in the
squib circuit)

P.52B-47

24*

2

Passenger’s (front) air bag module (squib) system fault 1
(Short circuit between terminals of the squib circuit)

P.52B-51

25*

2

Passenger’s (front) air bag module (squib) system fault 2
(Open in the squib circuit)

P.52B-57

26*

2

Driver's pre-tensioner (squib) system fault 1 (Short circuit
between terminals of the squib circuit)

P.52B-60

27*

2

Driver's pre-tensioner (squib) system fault 2 (Open in the
squib circuit)

P.52B-67

28*

2

Passenger’s (front) pre-tensioner (squib) system fault 1
(Short circuit between terminals of the squib circuit)

P.52B-71

29*

2

Passenger’s (front) pre-tensioner (squib) system fault 2
(Open in the squib circuit)

P.52B-78

31

SRS-ECU capacitor circuit voltage too high

P.52B-38

32

SRS-ECU capacitor circuit voltage too low

P.52B-38

34*

1

Connector lock system detects connector unlocked

P.52B-82

35

SRS-ECU air bag condition monitor detects deployed air
bag

P.52B-84

SRS AIR BAG DIAGNOSIS

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-24

39*

3

Airbags deployed simultaneously

P.52B-84

41*

1

IG1 power circuit system (fuse No.6 circuit)

P.52B-85

42*

1

IG1 power circuit system (fuse No.8 circuit)

P.52B-92

43*

1

SRS warning light drive circuit
system fault 1

Light does not illuminate*

1

P.52B-99

Light does not switch off

P.52B-105

44*

1

SRS warning light drive circuit system fault 2

P.52B-109

45

SRS-ECU non-volatile memory (EEPROM) and A/D
converter system

P.52B-38

46*

1

*

3

Improperly installed SRS-ECU

P.52B-110

51

Driver's air bag module (squib ignition drive circuit) system
detected short circuit

P.52B-38

52

Driver's air bag module (squib ignition drive circuit) system
detected open circuit

P.52B-38

54

Passenger’s (front) air bag module (squib ignition drive
circuit) system detected short circuit

P.52B-38

55

Passenger’s (front) air bag module (squib ignition drive
circuit) system detected open circuit

P.52B-38

56

Driver’s seat belt pre-tensioner (squib ignition drive circuit)
system detected short

P.52B-38

57

Driver’s seat belt pre-tensioner (squib ignition drive circuit)
system detected open

P.52B-38

58

Passenger’s (front) seat belt pre-tensioner (squib ignition
drive circuit) system detected short

P.52B-38

59

Passenger’s (front) seat belt pre-tensioner (squib ignition
drive circuit) system detected open

P.52B-38

61

Driver's air bag module (squib) system fault for power
supply circuit (Short-circuited to power supply)

P.52B-111

62

Driver's s air bag module (squib) system fault for ground
circuit (Short-circuited to ground)

P.52B-116

64

Passenger’s (front) air bag module (squib) system fault for
power supply circuit (Short-circuited to power supply)

P.52B-121

65

Passenger’s (front) air bag module (squib) system fault for
ground circuit (Short-circuited to ground)

P.52B-125

66

Driver's seat belt pre-tensioner (squib) system fault for
power supply circuit (Short-circuited to power supply)

P.52B-129

67

Driver's seat belt pre-tensioner (squib) system fault for
ground circuit (Short-circuited to ground)

P.52B-134

68

Passenger’s (front) pre-tensioner (squib) system fault for
power supply circuit (Short-circuited to power supply)

P.52B-139

69

Passenger’s (front) pre-tensioner (squib) system fault for
ground circuit (Short-circuited to ground)

P.52B-144

71*

2

Right hand side-airbag module (squib) system fault 1 (Short
circuit between terminals of the squib circuit)

P.52B-149

DIAGNOSTIC
TROUBLE CODE NO.

INSPECTION ITEM

REFERENCE PAGE

SRS AIR BAG DIAGNOSIS

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-25

NOTE:

.

1. *1: If the vehicle condition returns to normal, the DTC will be automatically erased, and the SRS warning

light will return to normal.

2. *2: However, if no DTC resets, the SRS warning light will be switched off (The DTC will be retained).
3. If the vehicle has a discharged battery, it will store the DTC 41 or 42. When these DTC are read, check the

battery.

4. *3: Vehicles with side-airbag
5. *4: Vehicles with side-airbag

72*

2

Right hand side-airbag module (squib) system fault 2 (Open
in the squib circuit)

P.52B-155

73

Right hand side-airbag module (squib) system detected
short circuit

P.52B-38

74

Right hand side-airbag module (squib) system detected
open circuit

P.52B-38

75

Right hand side-airbag module (squib) system fault power
supply circuit (Short-circuited to power supply)

P.52B-158

76

Right hand side-airbag module (squib) system fault ground
circuit (Short-circuited to ground)

P.52B-162

79

Left hand side-airbag module (squib) system fault 5 for
power supply circuit

P.52B-166

81*

2

Left hand side-airbag module (squib) system fault 1 (Short
circuit between terminals of the squib circuit)

P.52B-169

82*

2

Left hand side-airbag module (squib) system fault 2 (Open
in the squib circuit)

P.52B-175

83

Left hand side-airbag module (squib) system fault 3 for
ignition drive circuit

P.52B-38

84

Left hand side-airbag module (squib) system fault 4 for
ignition drive circuit

P.52B-38

85

Left hand side-airbag module (squib) system fault power
supply circuit (Short-circuited to power supply)

P.52B-178

86

Left hand side-airbag module (squib) system fault ground
circuit (Short-circuited to ground)

P.52B-182

89

Right hand side-airbag module (squib) system fault 5 for
power supply circuit

P.52B-166

91*

1

Left hand side-impact sensor power supply circuit system

P.52B-189

92

Left hand side-impact sensor system for fault 1

P.52B-192

93

Left hand side-airbag module (squib) system fault 6 for
communication system

P.52B-166

94*

1

Right hand side-impact sensor power supply circuit system

P.52B-193

95

Right hand side-impact sensor system for fault 1

P.52B-192

96

Right hand side-airbag module (squib) system fault 6 for
communication system

P.52B-166

DIAGNOSTIC
TROUBLE CODE NO.

INSPECTION ITEM

REFERENCE PAGE

SRS AIR BAG DIAGNOSIS

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-26

DIAGNOSTIC TROUBLE CODE PROCEDURES

M1524011900020

DTC 1A Front impact sensor (LH) circuit short
DTC 1B Front impact sensor (LH) circuit open
DTC 1C Front impact sensor (LH) short-circuited to power supply
DTC 1D Front impact sensor (LH) short-circuited to ground
DTC 2A Front impact sensor (RH) circuit short
DTC 2B Front impact sensor (RH) circuit open
DTC 2C Front impact sensor (RH) short-circuited to power supply
DTC 2D Front impact sensor (RH) short-circuited to ground

AC102902AB

Front Impact Sensor Circuit

AC204229

CONNECTOR: A-23

AB

A-23 (Y)

AC204228

CONNECTOR: A-30

AB

A-30 (Y)