Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1745
DIAGNOSIS 7A2-31
DIAGNOSIS TROUBLE CODE TABLE
Flash Code
(P-Code)
CHECK TRANS Flash Pattern
Description
CHECK
TRANS
Warning
11 (P0722)
Vehicle Speed Sensor No Signal
ON
12 (-)
Normal
-
13 (P0727)
ON
Engine Revolution Sensor No
Signal
14 (P0717)
Turbine Speed Sensor No Signal
ON
15 (P0710)
ATF Temperature Sensor Failure
OFF
16 (P0560)
System Voltage Failure
ON
17 (P0705)
Inhibitor Switch Failure
ON
22 (P1120)
Throttle Signal Failure
ON
25 (P1875)
GND Return Circuit Failure
ON
26 (P1853)
ON
Low & Reverse Brake Pressure
Switch Failure
27 (P1858)
2-4 Brake Pressure Switch Failure
ON
28 (P1863)
ON
High Clutch Pressure Switch
Failure
31 (P0753)
ON
Low & Reverse Brake Duty
Solenoid Failure
32 (P0758)
2-4BrakeDutySolenoidFailure
ON
33 (P0763)
ON
High Clutch Duty Solenoid Failure
7A2-32 DIAGNOSIS
Flash Code
(P-Code)
CHECK TRANS Flash Pattern
Description
CHECK
TRANS
Warning
34 (P0768)
Low Clutch Duty Solenoid Failure
ON
35 (P0748)
Line Pressure Solenoid Failure
ON
36 (P1860)
Lock-up Duty Solenoid Failure
ON
41 (P0731)
1stGearRatioError
ON
42 (P0732)
2ndGearRatioError
ON
43 (P0733)
3rdGearRatioError
ON
44 (P0734)
4thGearRatioError
ON
51 (P1750)
ON
Low & Reverse Brake Fail-safe
Valve Failure
52 (P1755)
2-4BrakeFail-safeValveFailure
ON
- (P0602)
No Flash Code
Programming Error
ON
DIAGNOSIS 7A2-33
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)
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.
7A2-34 DIAGNOSIS
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 Sensor
Turbine Sensor
Setting Condition:
•
When the vehicle speed exceeds 5 km/h with the turbine speed over 1000 rpm for 5 seconds, after 25.5
seconds elapsed in D, 3, 2 or L range.
Fail Safe:
•
When the vehicle is running, the gear position selected at the trouble detection is held and the lock-up is
inhibited.
•
After the vehicle stopped, all solenoid operations stop (OFF) and the gear is fixed to the 3rd.
Possible Cause:
•
Speed sensor malfunction.
•
Sensor wheel (parking gear) malfunction.
•
Large sensing gap between speed sensor and sensor wheel (parking gear).
•
Sensor wire open circuit, short circuit to battery or short circuit to ground between speed sensor terminal 1 and
TCM terminal B13 (C95).
•
Sensor wire open circuit or short circuit to ground of the harness between speed sensor terminal 2 and power
supply circuit.
•
Sensor wire open circuit or short circuit to battery between speed sensor terminal 3 and ground circuit.
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