2004 ISUZU TF SERIES Workshop Manual

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Page 4025 of 4264

ISUZU TF SERIES 2004 Workshop Manual DIAGNOSIS (JR405E) 7A2-33
DIAGNOSIS TROUBLE CODE TABLE

Flash Code
(P-Code)

CHECK TRANS Flash Pattern

Description
CHECK
TRANS
Warning

11 (P0722)

Page 4026 of 4264

ISUZU TF SERIES 2004 Workshop Manual 7A2-34 DIAGNOSIS (JR405E)

Flash Code
(P-Code)

CHECK TRANS Flash Pattern

Description
CHECK
TRANS
Warning

34 (P0768) Low Clutch Duty S

Page 4027 of 4264

ISUZU TF SERIES 2004 Workshop Manual DIAGNOSIS (JR405E) 7A2-35
FAIL-SAFEFUNCTION
Fail-Safe Condition
Flash Code
(P-Code)

Description
CHECK
TRANS
Warning

Gear Shift
Solenoid
Line
Pressure
Solenoid

Lock-up

Remark

DIAGNOSIS (JR405E) 7A2-35
FAIL-SAFEFUNCTION
Fail-Safe Condition
Flash Code
(P-Code)

Description
CHECK
TRANS
Warning

Gear Shift
Solenoid
Line
Pressure
Solenoid

Lock-up

Remark
11
(P0722)
Vehicle peed Sensor No
Signal ON 3rdFix All Stop - Inhibited
13
(P0727)
Engine Revolution Sensor
No Signal ON - - - Inhibited
14
(P0717)
Turbine Speed Sensor No
Signal ON 3rdFix All Stop - Inhibited
15
(P0710)
ATF Temperature Sensor
Failure OFF 3,2,L - - Inhibited*1
16
(P0560)
System Voltage Failure ON 3rdFix All Stop - Inhibited*2
17
(P0705)
Inhibitor Switch Failure ON 3rdFix All Stop - Inhibited
22
(P1120)
Throttle Signal Failure ON 3rdFix All Stop - Inhibited
25
(P1875)
GND Return Circuit
Failure ON 3rdFix All Stop - Inhibited*2
26
(P1853)
Low & Reverse Brake
Pressure Switch Failure ON No Fail-safe Function
27
(P1858)
2-4 Brake Pressure
Switch Failure ON No Fail-safe Function
28
(P1863)
High Clutch Pressure
Switch Failure ON No Fail-safe Function
31
(P0753)
Low & Reverse Brake
Duty Solenoid Failure ON 3rdFix All Stop - Inhibited
32
(P0758)
2-4 Brake Duty Solenoid
Failure ON 3rdFix All Stop - Inhibited
33
(P0763)
High Clutch Duty Solenoid
Failure ON 3rdFix All Stop - Inhibited
34
(P0768)
Low Clutch Duty Solenoid
Failure ON 3rdFix All Stop - Inhibited
35
(P0748)
Line Pressure Solenoid
Failure ON - - Stop -
36
(P1860)
Lock-up Duty Solenoid
Failure ON - - - Inhibited
41
(P0731)
1stGearRatioError ON No Fail-safe Function
42
(P0732)
2ndGearRatioError ON No Fail-safe Function
43
(P0733)
3rdGearRatioError ON No Fail-safe Function
44
(P0734)
4thGearRatioError ON No Fail-safe Function
51
(P1750)
Low & Reverse Brake
Fail-safe Valve Failure ON 3rdFix All Stop - Inhibited
52
(P1755)
2-4 Brake Fail-safe Valve
Failure ON 3rdFix All Stop - Inhibited
-
(P0602)
ECU Programming Error ON No Fail-safe Function
*1: When the engine speed is more than 470 rpm for 10 minuets, the lock-up and gear shift to 4th (over-drive) are
allowed.
*2: In case of fail-safe valve failure, gear shift to 4th (over-drive) is inhibited.

Page 4028 of 4264

ISUZU TF SERIES 2004 Workshop Manual 7A2-36 DIAGNOSIS (JR405E)
DTC P0722 (Flash Code 11) Vehicle Speed Sensor No Signal

Speed
Sensor
TCM

B13
H23
(4)C95
(13)E30
(2)
(1)
(3)
E10
Key SW
YEL/RED
BLK YEL/RED

Speed Sens

Page 4029 of 4264

ISUZU TF SERIES 2004 Workshop Manual DIAGNOSIS (JR405E) 7A2-37

Reference:
When the vehicle speed 20km/h at L range in 1st gear, following signal is outputted.
Measurement terminal: B13 (C95) and B5 (C95)
-AC range by circuit test

Page 4030 of 4264

ISUZU TF SERIES 2004 Workshop Manual 7A2-38 DIAGNOSIS (JR405E)
DTC P0727 (Flash Code 13) Engine Revolution Sensor No Signal

RED
TDC
Sensor TCM

A7
C94 (7)
BLK/RED
WHT
C56
(27)
E9
(1)

(2)
(3)

Page 4031 of 4264

ISUZU TF SERIES 2004 Workshop Manual DIAGNOSIS (JR405E) 7A2-39
Engine Speed Sensor Reference Wave Form
Measurement Terminal: A7 (+) B5(-)
Measurement Scale: 5V/div 10ms/div
Measurement Condition: At engine speed 2000rpm
0V

Page 4032 of 4264

ISUZU TF SERIES 2004 Workshop Manual 7A2-40 DIAGNOSIS (JR405E)
DTC P0717 (Flash Code 14) Turbine Speed Sensor No Signal

Turbine
Sensor TCM

B3
H23 (9)C95 (3) E31 (2)
(1)
(3)
E10
Key SW
BRN/RED
WHT
BLK BRN

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