Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 104
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–34
060R200079
4B2–35
DRIVE LINE CONTROL SYSTEM (TOD)
Diagnostic Trouble Codes
Code
Tech 2 code
(P code)
Item
Diagnosis
Check flow No.
12
—
Start code
Normal
—
13
P1735
Ref
Shorted GND
6
14
P1731
Front speed sensor
Input abnormality (open, sig or com)
2
15
P1736
Ref
Shorted V
B
6
16
P1737
Front speed sensor
Input abnormality
4
17
P1774
Inhibitor switch
Input abnormality
8
21
P1716
TPS
Shorted or disconnected wiring,
abnormality in input
7
23
—
ECU
CPU abnormality
1
24
P1733
Rear speed sensor
Input abnormality (open, sig or com)
3
27
P1738
Rear speed sensor
Input abnormality
5
28
P1760
ADC (+) & AXLE SW
Output abnormality
10
31
P1721
EMC (+)
Shorted VB, disconnected coil/wiring or
shorted GND
9
32
P1761
ADC (+)
Shorted VB or disconnected wiring
11
33
P1762
ADC (+)
Shorted GND
12
36
—
ECU
CPU abnormality
1
37
P1712
ECU
CPU abnormality
1
38
P1714
ECU
CPU abnormality
1
41
P1741
Hight-Low shift motor
Shorted GND or disconnected wiring
13
42
P1773
Hight-Low shift motor
User operation error (not failure)
14
43
P1743
Hight-Low shift motor
Motor moving more than 5s
15
55
P1755
Hight-Low shift motor
Input abnormality of motor position signal
16
TPS : Throttle Position Sensor
EMC : Electromagnetic coil
ADC : Shift on the fly (Axle Dis Connect)
DRIVE LINE CONTROL SYSTEM (TOD)
4B2–36
Diagnosis from Trouble Codes
D
Diagnose the fault that have been saved to the control
unit according to the system self-diagnostic function.
Check flow
Trouble code
Phenomenon
Standard
1
23, 36, 37, 38
The ECU has failed.
—
P1712, P1714
Step
Action
Yes
No
1
Turn on the starter switch.
Is the trouble reproduced?
Replace the ECU
and conduct the
test run.
Go to
Step 3
Go to
Step 2
2
1. Clear the trouble codes.
2. Conduct the test run.
Is the trouble reproduced during the test run?
Replace the ECU
and conduct the
test run.
Go to
Step 3
The trouble is not
reproduced.
Refer to
“Trouble
intermittently
observed”.
Go to
Step 3
3
1. Check that all the parts are mounted.
2. Clear the trouble codes.
Is this step complete?
Verify the repair.
Return to
Step 3
4B2–37
DRIVE LINE CONTROL SYSTEM (TOD)
Check flow
Trouble code
Phenomenon
Standard
2
14
Front speed sensor signal open or
GND short speed sensor com
0.2V > sensor voltage
P1731
GND short, s eed sensor com
open.
NOTE: The following procedure shows the case that the
front or rear sensor common grounding line is broken.
D04R200005
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