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1. TRANSAXLE
5

1. PRECAUTION
8

2. TRANSAXLE GENERAL INFORMATION
9

3. TECHNICAL SPECIFCICATIONS
10

4. TIGHTENING TORQUES
11

5. SPECIAL TOOLS
12

A. CLUTCH
12

B. TRANSAXLE
12

6. DIAGNOSIS OF TRANSAXLE
17

7. SERVICE SCHEDULE OF TRANSAXLE
17

8. CUT SECTION OF TRANSAXLE
18

9. EXPLODED VIEWS OF TRANSAXLE
19

10. REMOVAL OF TRANSAXLE FROM VEHICLE
28

11. TRANSAXLE TA65 STAR AMT DISASSEMBLY (ON BENCH)
31

12. SUB ASSEMBLIES
37

13. TRANSAXLE TA65 STAR AMT ASSEMBLY
49

2. CLUTCH
52

1. GENERAL INFORMATION
55

2. TEHCNICAL SPECIFCICATIONS & TIGHTENING TORQUES
55

3. DIAGNOSIS
58

4. CLUTCH
60

A. THEORY OF DIAPHRAGM SPRING CLUTCH
60

B. CONSTRUCTIONAL DETAILS
61

C. FACTOR AFFECTING CLUTCH WEAR
63

D. REMOVAL OF CLUTCH FROM THE CAR
63

E. INSTALLATION OF CLUTCH ON THE CAR
63

5. MAINTENANCE, ADJUSTMENT AND TESTS TRANSAXLE
64

3. DRIVESHAFT
65

1. GENERAL INFORMATION
68

2 GENERAL GUIDELINES FOR TESTING DRIVE SHAFT NOISE
69

3. TESTING FOR NOISE
69

4. DRIVE SHAFT PARTS
70

5. DISASSEMBLY PROCEDURE FOR TRIPOT JOINT
71

6. DISASSEMBLY AND ASSEMBLY OF CV JOINT ASSEMBLY (OUTER)
74

4. AMT KIT
78

1. AMT-KIT LOCATION ON VEHICLE(LAYTOUT)
81

2 NOMENCLATURE FOR AMT KIT
82

3. TIGHTENING TORQUES AND CONSTRUCTIONAL DETAILS
83

4. SPECIAL TOOLS
86

5. PRECAUTIONS
89

6. ON VEHICLE PROCEDURES
90

A. DEPRESSURIZATION OF AMT KIT
90

B. AMT KIT REMOVAL (FROM TOP)
93

7. ON BENCH PROCEDURES
96

A. OIL TANK REMOVAL AND RE-FITMENT
96

B. MECHATRONIC GEAR ACTUATOR UNIT (MGA) REMOVAL AND RE-FITMENT
98

C. TRANSMISSION CONTROL UNIT (TCU) REMOVAL AND RE-FITMENT
101

D. DC MOTOR REMOVAL AND RE-FITMENT
104

E. HYDRAULIC OIL ACCUMLATOR REMOVAL AND RE-FITMENT
105

F. CLUTCH POSITION SENSOR REMOVAL AND RE-FITMENT
105

G. POWER UNIT (PWU) BASE PLATE REMOVAL AND RE-FITMENT ON BENCH
106

5. CONSOLE
107

1. AMT GEARBOX SHIFTER AND SHIFTING MECHANISM
110

2 DRIVING MODES
111

3. GEAR SHIFTER CENTER CONSOLE REMOVAL AND RE-FITMENT ON VEHICLE
112

4. GEAR SHIFTER PIN CONFIGURATION
114

6. COMPONENT REPLACEMENT MANUAL
115

1. DOCUMENT SCOPE
118

2. INTENDED AUDIENCE
118

3. TERMINOLOGIES
118

4. CONFIDENTIALITY
118

5. CONTACTS AT TATA MOTORS
118

6. ROUTINE PROCEDURE FOR COMPONENT REPLACEMENT
119

6.1 MATRIX OF ROUTINE PROCEDURE FOR COMPONENT REPLACEMENT
119

6.2 ROUTINE PROCEDURE FOR TCU REPLACEMENT
120

6.3 ROUTINE PROCEDURE FOR ACTUATION SYSTEM REPLACEMENT
121

6.4 ROUTINE PROCEDURE FOR GEAR BOX REPLACEMENT
122

6.5 ROUTINE PROCEDURE FOR PUMP/ACCUMULATOR/CLUTCH ACTUATOR REPLACEMENT
123

6.6 ROUTINE PROCEDURE FOR VALVE BOCK AND TCU REPLACEMENT
124

6.7 ROUTINE PROCEDURE FOR CLUTCH SENSOR REPLACEMENT
125

6.8 ROUTINE PROCEDURE FOR CLUTCH REPLACEMENT
126

6.9 ROUTINE PROCEDURE FOR PRIMARY SHAFT SPEED SENSOR REPLACEMENT
127

6.10 ROUTINE PROCEDURE FOR RUBBER BELLOW REPLACEMENT
128

6.11 ROUTINE PROCEDURE FOR RESERVOIR REPLACEMENT
128

6.12 ROUTINE PROCEDURE FOR GEAR SHIFT LEVER OR SPORTS/ECO REPLACEMENT
129

6.13 ROUTINE PROCEDURE FOR ELECTRIC MOTOR REPLACEMENT
129

6.14 TCU PROGRAMMING (FLASHING)
130

6.15 ROUTINE PROCEDURE FOR AMT KIT REPLACEMENT
131

7. DTC MANUAL
134

1. P0914-02: GEAR POSITION SENSOR CIRCUIT– FIXED SIGNAL HIGH LEVEL
142

2. P0914-01: GEAR POSITION SENSOR CIRCUIT– FIXED SIGNAL LOW LEVEL
145

3. P0914-03: GEAR POSITION SENSOR CIRCUIT– PERIOD ERROR
148

4. P0914-05: GEAR POSITION SENSOR CIRCUIT– PWM DUTY HIGH
151

5. P0914-04: GEAR POSITION SENSOR CIRCUIT– PWM DUTY LOW
154

6. P1853-02: GEAR/SHIFT POSITION SENSOR– WRONG SUPPLY VOLTAGE VBATT ERROR
157

7. P1853-01: GEAR/SHIFT POSITION SENSOR– WRONG SUPPLY VOLTAGE GND ERROR
160

8. P0904-02: SHIFT POSITION SENSOR CIRCUIT– FIXED SIGNAL HIGH LEVEL
163

9. P0904-01: SHIFT POSITION SENSOR CIRCUIT– FIXED SIGNAL LOW LEVEL
166

10. P0904-03: SHIFT POSITION SENSOR CIRCUIT– PERIOD ERROR
169

11. P0904-05: SHIFT POSITION SENSOR CIRCUIT– PWM DUTY HIGH
172

12. P0904-04: SHIFT POSITION SENSOR CIRCUIT– PWM DUTY LOW
175

13. P0805-02: CLUTCH POSITION SENSOR CIRCUIT– FIXED SIGNAL HIGH LEVEL
178

14. P0805-01: CLUTCH POSITION SENSOR CIRCUIT– FIXED SIGNAL LOW LEVEL
181

15. P0805-03: CLUTCH POSITION SENSOR CIRCUIT– PERIOD ERROR
184

16. P0805-05: CLUTCH POSITION SENSOR CIRCUIT– PWM DUTY HIGH
187

17. P0805-04: CLUTCH POSITION SENSOR CIRCUIT– PWM DUTY LOW
190

18. P1852-02: CLUTCH POSITION/HYD PRESS SENSOR – WRONG SUPPLY VOLTAGE VBATT ERROR
193

19. P1852-01: CLUTCH POSITION/HYD PRESS SENSOR – WRONG SUPPLY VOLTAGE GND ERROR
196

20. P0932-02: HYDRAULIC PRESSURE SENSOR CIRCUIT– SIGNAL OVER MAX THRESHOLD
199

21. P0932-01: HYDRAULIC PRESSURE SENSOR CIRCUIT– SIGNAL UNDER MIN THRESHOLD
203

22. P0932-07: HYDRAULIC PRESSURE SENSOR CIRCUIT– WRONG VALUE SENSOR
206

23. P0932-03: HYDRAULIC PRESSURE SENSOR CIRCUIT– WRONG SIGNAL SPIKES
209

24. P0820/P0821/P0822/P0823-02: GEAR LEVER SENSOR CIRCUIT– OVER MAX THRESHOLD
212

25. P0820/P0821/P0822/P0823-01: GEAR LEVER SENSOR CIRCUIT– UNDER MIN. THRESHOLD
216

26. P0825 -02: GEAR LEVER SENSOR CIRCUIT– SIGNAL NOT VALID
220

27. P0825 -01: GEAR LEVER SENSOR CIRCUIT– MISUSE
224

28. P0715 -03: CLUTCH SPEED SENSOR CIRCUIT– SIGNAL ABSENT
229

29. P0715 -01: CLUTCH SPEED SENSOR CIRCUIT– SIGNAL WRONG
232

30. P0715 -02: CLUTCH SPEED SENSOR CIRCUIT– SIGNAL WRONG SPIKES
235

31. P2900 -01: SPORT SWITCH INPUT CIRCUIT – SWITCH STUCK
238

32. P0725-02: ENGINE SPEED INPUT CIRCUIT– SIGNAL NOT VALID
241

33. P0725-03: ENGINE SPEED INPUT CIRCUIT– SIGNAL ABSENT
244

34. P0725-01: ENGINE SPEED INPUT CIRCUIT– SIGNAL WRONG
247

35. P0505 -02: IDLE ENGINE SPEED INPUT– SIGNAL IMPLAUSIBLE / SIGNAL WRONG
250

36. P2903 -02: ACCELERATOR PEDAL POSITION– SIGNAL NOT VALID
253

37. P2906 -02: GENERATED ENGINE TORQUE– SIGNAL NOT VALID
256

38. P2906 -03: ENGINE LOSS TORQUE– SIGNAL NOT VALID
259

39. P1981 -02: DRIVER ENGINE TORQUE– SIGNAL NOT VALID
262

40. P2906 -04: ENGINE WISH TORQUE– SIGNAL NOT VALID
265

41. P2907 -02: ENGINE MAXIMUM TORQUE– SIGNAL NOT VALID
268

42. P0703 -02: BRAKE SWITCH INPUT CIRCUIT – SIGNAL NOT VALID
271

43. P0710 -02: ENGINE WATER TEMPERATURE – SIGNAL NOT VALID
274

44. P0716 -02: VEHICLE SPEED INPUT – SIGNAL NOT VALID
277

45. P0716 -03: VEHICLE SPEED INPUT – SIGNAL ABSENT
280

46. P0716 -01: VEHICLE SPEED INPUT – SIGNAL WRONG
283

47. P0710 -03: EXTERNAL TEMPERATURE – SIGNAL NOT VALID
286

48. P0900-04: CLUTCH ELECTROVALVE – OPEN CIRCUIT
289

49. P0900-02: CLUTCH ELECTROVALVE – SHORT TO SUPPLY
292

50. P0900-01: CLUTCH ELECTROVALVE – SHORT TO GROUND
295

51. P0900-05: CLUTCH ELECTROVALVE – SHORT TO SUPPLY/OPEN CIRCUIT
298

52. P0750-04: GEAR 1 ELECTROVALVE – OPEN CIRCUIT
301

53. P0750-02: GEAR 1 ELECTRO VALVE – SHORT TO SUPPLY
304

54. P0750-01: GEAR 1 ELECTROVALVE – SHORT TO GROUND
307

55. P0750-05: GEAR 1 ELECTROVALVE – SHORT TO SUPPLY/OPEN CIRCUIT
310

56. P0755-04: GEAR 2 ELECTROVALVE – OPEN CIRCUIT
313

57. P0755-02: GEAR 2 ELECTROVALVE – SHORT TO SUPPLY
316

58. P0755-01: GEAR 2 ELECTROVALVE – SHORT TO GROUND
319

59. P0755-05: GEAR 2 ELECTROVALVE – SHORT TO SUPPLY/OPEN CIRCUIT
322

60. P1889-04: SHIFT ELECTROVALVE – OPEN CIRCUIT
325

61. P1889-02: SHIFT ELECTROVALVE – SHORT TO SUPPLY
328

62. P1889-01: SHIFT ELECTROVALVE – SHORT TO GROUND
331

63. P1889-05: SHIFT ELECTROVALVE – SHORT TO SUPPLY/OPEN CIRCUIT
334

64. P185C-05: HYDRAULIC PUMP SUPPLY – OPEN CIRCUIT /SHORT TO SUPPLY
337

65. P185C-01: HYDRAULIC PUMP SUPPLY –SHORT TO GROUND
340

66. P185C-03: HYDRAULIC PUMP SUPPLY –DEVICE CLOSED
343

67. P185C-07: HYDRAULIC PUMP SUPPLY –SHORT TO SUPPLY
347

68. P081A-03: CRANKING ENABLE –SHORT TO GROUND/OPEN CIRCUIT
350

69. P081A-02: CRANKING ENABLE –SHORT TO SUPPLY
352

70. P1884-04: REVERSE LAMP RELAY –OPEN CIRCUIT
355

71. P1884-02: REVERSE LAMP RELAY –SHORT TO SUPPLY
358

72. P1884-01: REVERSE LAMP RELAY –SHORT TO GROUND
361

73. P2904-01: CLUTCH SYSTEM – NOT OPENING BEFORE SHIFT
364

74. P2904-02: CLUTCH SYSTEM – CLOSING DURING ENGAGE
367

75. P2904-03: CLUTCH SYSTEM – OVERHEAT
370

76. P2908-01: CLUTCH SYSTEM – CONTROL ERROR
374

77. P1905-02: CLUTCH SYSTEM – CLUTCH LOCKED
376

78. P2905-01: GEARBOX SYSTEM – DISENGAGE FAILED
379

79. P2909-01: GEARBOX SYSTEM – SHIFT FAILED
383

80. P2905-02: GEARBOX SYSTEM –ENGAGE FAILED
387

81. P2905-03: GEARBOX SYSTEM –UNINTENDED DISENGAGE
391

82. P2909-02: GEARBOX SYSTEM –SHIFT LOCKED
395

83. P190B-01: GEARBOX SYSTEM –UNINTENDED ENGAGE
399

84. P190C-07: GEARBOX SYSTEM –CONTROL ERROR
402

85. P190D-01: GEARBOX SYSTEM –CLUTCH OVER SPEED
405

86. P0942- 01: HYDRAULIC CIRCUIT – PRESSURE LOW
408

87. P0942- 07: HYDRAULIC CIRCUIT – PUMP OVERHEATING
412

88. P2712- 07: HYDRAULIC CIRCUIT – LEAKAGE TOO HIGH
416

89. P2901- 01: HYDRAULIC CIRCUIT – ACCUMULATOR DISCHARGED
419

90. P0780- 07: HYDRAULIC CIRCUIT – SYSTEM MISUSE
422

91. P184A- 01: HYDRAULIC CIRCUIT – PUMP TIMEOUT
425

92. P0562-04: BATTERY SUPPLY 1 –OPEN CIRCUIT
428

93. P0560-01: BATTERY SUPPLY 1 –WRONG VALUE
431

94. P0560-02: IGNITION KEY VOLTAGE –WRONG VALUE
434

95. P0945-04: BATTERY SUPPLY 2 –OPEN CIRCUIT
437

96. P1711-01: BATTERY SUPPLY –UNDER SHIFT THRESHOLD
440

97. P1711-02: BATTERY SUPPLY –OVER THRESHOLD
442

98. P1711-07: BATTERY SUPPLY –UNDER LOW THRESHOLD
444

99. P0604- 08: TCU ROM– CHECKSUM ERROR
446

100. P0604- 07: TCU RAM– INTEGRITY ERROR
448

101. P062F- 07: TCU EEPROM– TUNING DATA ALTERATION ERROR
450

102. P062F- 08: TCU EEPROM– GRID DATA ALTERATION ERROR
452

103. P1704- 07: TCU EEPROM– SYSTEM DATA ALTERATION ERROR
454

104. P060A- 07: SAFETY MICROPROCESSOR– INTEGRITY FAILURE
455

105. P060A- 08: SAFETY MICROPROCESSOR– OUTPUT FAILURE
456

106. P0701- 02: ELECTRO VALVES DRIVER 1– SPI DEVICE FAULT
457

107. P0701- 01: ELECTRO VALVES DRIVER 1– THERMAL WARNING
459

108. P0701- 03: ELECTRO VALVES DRIVER 1– DEVICE CLOSED
461

109. P0701- 04: ELECTRO VALVES DRIVER 1– DEVICE OPEN
463

110. P184D- 02: ELECTRO VALVES DRIVER 2– SPI DEVICE FAULT
465

111. P184D- 01: ELECTRO VALVES DRIVER 2– THERMAL WARNING
467

112. P0881- 02: TCU 12V INTERNAL SUPPLY – DEVICE OPEN
469

113. P0881- 03: TCU 12V INTERNAL SUPPLY – DEVICE CLOSED*
471

114. P0880- 04: SMP 5V POWER SUPPLY – UNDER LOW THRESHOLD
473

115. P0880- 06: SMP 5V POWER SUPPLY – UNDER MEDIUM THRESHOLD
475

116. P0880- 02: SMP 5V POWER SUPPLY – UNDER LOW THRESHOLD
477

117. P0880- 03: TCU 5V POWER SUPPLY – DEVICE CLOSED
479

118. P1401- 07: LEVEL 2 INTERVENTION-SAFETY INPUT FAILURE
481

119. P1401- 08: LEVEL 2 INTERVENTION-SYSTEM PROBLEM
483

120. P060C-07: LEVEL 3 INTERVENTION-SYSTEM PROBLEM
485

121. P1844 -07: GRID SELF TUNING PROCEDURE – ERROR
487

122. P080A -07: KISS POINT SELFTUNING PROCEDURE – ERROR
490

123. P185B -07: CLUTCH STROKE SELFTUNING – ERROR
492

124. P1886-07:- DUAL PORT RAM CHECK
494

125. U0001-01:- CAN EMS ERROR
495

126. C0082-00:- ABS STATUS CAN SIGNAL INVALID
496

PRELIMINARY CHECK FOR IVN RELATED DTC’S
497

127. U0001-88 - VEHICLE COMMUNICATION BUS A- BUS OFF
498

128. U0121 -08:- LOST COMMUNICATION WITH ANTILOCK BRAKING SYSTEM MODULE- ABS/ESP BUS SIGNAL/ MESSAGE FAILURE
500

129. U0155-08:- LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER MODULE- BUS SIGNAL/ MESSAGE FAILURE 372
506

130. U0100-08 LOSS OF COMMUNICATION WITH ENGINE CONTROL MODULE- BUS SIGNAL/ MESSAGE FAILURE
512

131. P1C10-01:- INVALID DATA RECEIVED FROM ECM (106 FRAME)-CYCLIC REDUNDANCY CHECK ERROR
522

132. P1C11-02:- INVALID DATA RECEIVED FROM ECM (106 FRAME) -MESSAGE ROLLING COUNTER ERROR
525

133. P1C12-01:- INVALID DATA RECEIVED FROM ECM (108 FRAME)-CYCLIC REDUNDANCY CHECK ERROR
527

134. P1C13-02:- INVALID DATA RECEIVED FROM ECM (108 FRAME)-MESSAGE ROLLING COUNTER ERROR
530

135. P1C14-01:- INVALID DATA RECEIVED FROM IPC (197 FRAME)-CYCLIC REDUNDANCY CHECK ERROR
532

136. P1C15-02:- INVALID DATA RECEIVED FROM IPC (197 FRAME)-MESSAGE ROLLING COUNTER ERROR
534

137. P1986-07 VARIANT CODE PROCEDURE NOT COMPLETED
536

138. U0001-02 ENGINE LIMP HOME SIGNAL-SIGNAL NOT VALID
538

139. P0820/P0821/P0822/P0823-03: GEAR LEVER SENSOR CIRCUIT– SIGNAL IN MEDIUM RANGE
539

GENERIC TROUBLESHOOTING GUIDELINES
542

CAN BUS ARCHITECTURE & NETWORK TOPOLOGY
543

IVN PRELIMINARY CHECK
544

ABBREVIATIONS
545

APPENDIX
546

DIAGNOSTIC TROUBLE CODES LIST
550