1998 OPEL FRONTERA oil

4B2–43 DRIVE LINE CONTROL SYSTEM (TOD)
Diagnostic Trouble Codes
CodeTe c h 2 c o d e
(P code)ItemDiagnosisCheck flow No.
12—Start codeNormal—
13P1735RefShorted GND6
14P1731Front speed sensorInput abnormality (open, sig or com)2
15P1736RefShorted VB6
16P1737Front speed sensorInput abnormality3
21P1716TPSShorted or disconnected wiring, abnormality in
input7
23—ECUCPU abnormality1
24P1733Rear speed sensorInput abnormality (open, sig or com)5
25—CHECK lampShorted14
26—EMC (+)Shorted GND10
27P1738Rear speed sensorInput abnormality4
28P1760ADC (+) & AXLE SWOutput abnormality11
31P1721EMC (+)Shorted or disconnected coil/wiring9
32P1761ADC (+)Shorted or disconnected coil/wiring12
33P1762ADC (+)Shorted GND13
34—D-G MAPInput abnormality8
35—CHECK lampShorted or disconnected wiring14
36—ECUCPU abnormality1
37P1712ECUCPU abnormality1
38P1714ECUCPU abnormality1
TPS : Throttle Position Sensor
EMC : Electromagnetic coil
ADC : Shift on the fly (Axle Dis Connect)
D-G MAP : Discrimination engine type

4B2–59 DRIVE LINE CONTROL SYSTEM (TOD)
Check flowTrouble codePhenomenonStandard
931
(P1721)The electromagnetic coil is broken
or shorted to the battery or GND.—
D04RY00060

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–60
StepActionYe sNo
11. Clear the trouble code.
2. Start the engine
3. Set the TOD mode.
Is there DTC31 (P1721)?
Go to Step 2
Refer to “Trouble
intermittently
observed”.
21. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Is the continuity established between terminals (B–67)4 and
(B–67)12?
Go to Step 3Go to Step 5
31. Connect the ECU connector.
2. Start the engine.
3. Set the TOD mode.
Does the voltage between terminals 4 and 20 indicate at least
0.4V?
Go to Step 4Go to Step 6
4Is the battery voltage always observed between terminals 4 and
20?The harness is
short–circuited on
the battery.
Repair the circuit.
Go to
Step 8Go to Step 6
51. Disconnect the A–3 connector.
Is the continuity established between transfer connector
terminals (A–3)8 and (A–3)7?
The harness is
broken. Repair
the circuit.
Go to
Step 8
Replace the
transfer
electromagnetic
coil (solenoid
clutch).
Go to
Step 8
61. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Is the resistance between the connector (B–67) terminal 4 and 12
1.0
5.0?
The ECU has
failed. Replace
the ECU
Go to
Step 8Go to Step 7
7Is the resistance between the transfer connector (A–3) terminal 8
and 7 1.0
5.0?The harness is
disconnection or
short to GND.
Repair the circuit.
Go to
Step 8
Replace the
transfer
electromagnetic
coil (solenoid
clutch).
Go to
Step 8
81. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 8

4B2–61 DRIVE LINE CONTROL SYSTEM (TOD)
Check flowTrouble codePhenomenonStandard
1026The electromagnetic coil is short-
circuited to GND.Resistance: 1.0 to 5.0 ohm (at
ordinary temperature)
D04RY00060

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–62
StepActionYe sNo
11. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Does the resistance between terminals (B–67)4 and (B–67)12?
indicate 1.0 to 5.0 ohm?
Go to Step 2Go to Step 3
21. Connect the ECU connector.
2. Start the engine.
3. Set the TOD mode.
When the throttle is operated between full close and full open
positions, does the voltage between terminals 4 and 20 indicate
0.1 to 1.0 V?The phenomenon
is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
The ECU has
failed. Replace
the ECU.
Go to Step 4
3Does the resistance between transfer connector terminals (A–3)8
and (A–3)7 indicate 1.0 to 5.0ohm?
The harness is
broken. Repair
the circuit.
Go to Step 4
Replace the
transfer
electromagnetic
coil.
Go to Step 4
41. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 4

4B2–71 DRIVE LINE CONTROL SYSTEM (TOD)
StepActionYe sNo
11. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Does the resistance between terminals (B–67) 5 and (B–67) 11
meet the standard, 17 is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
Go to Step 2
2Is the resistance between terminals (B–67) 5 and (B–67) 11 R<2
ohms?The signal line
circuit of the shift
on the fly system
is short-circuited
to GND. Repair
the circuit.
Go to Step 4
Go to Step 3
3Is the resistance between terminals (B–67) 5 and (B–67) 11 R=
9
7ohms?
The signal line
circuit of the shift
on the fly system
is layer
short-circuited*.
Replace the valve
(VSV).
Go to Step 4
Go to Step 4
41. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 4
*Layer short-circuit : The coil is damaged by overcurrent.

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–116
StepActionYe sNo
1Are the front and rear tires in specified size?
Go to Step 2
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 16
2Is the tire pressure correct?
Go to Step 3
In flate tries to
recommended
pressure.
Go to Step 16
3Are the tires free from abnormal wear?
Go to Step 4
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 16
4Are different types of tires used?
Go to Step 5
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 16
51. Start the engine.
2. Shift the transfer lever to the high position and switch the 4WD
AUTO SW to 4WD position.
3. Fully turn the steering to the left (or right) end, and select the D
range and start the creep run.
Does the tight corner braking occur? Is the judder with chug-chug
sound observed? * Use caution on the operation.
Go to Step 6 Go to Step 11
61. Shift the transfer lever to the high position and switch the 4WD
AUTO SW to the 2H position.
2. Fully turn the steering to the left (or right) end, and select the D
range and start the creep run.
Does the tight corner braking occur? Is the judder with chug-chug
sound observed? * Use caution on the operation.
Go to Step 7 Go to Step 14
7Is an LSD mounted to the rear differential? Go to Step 8 Go to Step 9
8Is the genuine LSD oil used in the rear differential?
Go to Step 9
Replace the
differential oil.
Go to Step 16
9Does the engine output the power correctly?
Go to Step 10
Check the
engine.
Go to Step 16
10Do the speed sensors work correctly? (Check trouble codes.)The ECU has
failed. Replace
the ECU.
Go to Step 16
Replace the
speed sensors.
Go to Step 16
11Is the tight corner braking observed only when the brake is
applied?
Go to Step 12
Conduct full
steering under
WOT.
Go to Step 5
121. Turn on the starter switch.
Is the battery voltage observed between terminals 11 and 19?
Go to Step 13
Repair the circuit
of terminal 11
(ABS IN).
Go to Step 16

4C–1 DRIVE SHAFT SYSTEM
DRIVELINE/AXLE
DRIVE SHAFT SYSTEM
CONTENTS
Service Precaution 4C–2. . . . . . . . . . . . . . . . . . . . . .
General Description 4C–2. . . . . . . . . . . . . . . . . . . . .
Diagnosis 4C–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Axle Shaft 4C–4. . . . . . . . . . . . . . . . . . . . . . . . .
Rear Axle Shaft and Associated Parts 4C–4. . . .
Removal 4C–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–5. . . . . . . . . . . . . . . . . .
Oil Seal Replacement 4C–6. . . . . . . . . . . . . . . . . .
Installation 4C–6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools 4C–8. . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Hub and Disc (with Shift on the Fly) 4C–9. .
Disassembled View 4C–9. . . . . . . . . . . . . . . . . . . .
Disassembly 4C–9. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–10. . . . . . . . . . . . . . . . . .
Reassembly 4C–11. . . . . . . . . . . . . . . . . . . . . . . . . .
Front Hub and Disc with Manual Locking Hub 4C–14
Disassembled View 4C–14. . . . . . . . . . . . . . . . . . . .
Disassembly 4C–14. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–16. . . . . . . . . . . . . . . . . .
Reassembly 4C–16. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Data and Specifications 4C–20. . . . . . . . . . . . .
Special Tools 4C–21. . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Drive Shaft Joint 4C–22. . . . . . . . . . . . . . . . . . .
Front Drive Shaft Joints Replacement 4C–22. . . .
Front Axle Drive Shaft 4C–23. . . . . . . . . . . . . . . . . . .
Front Axle Drive Shaft and Associated
Parts 4C–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 4C–24. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–25. . . . . . . . . . . . . . . . . .
Bushing Replacement 4C–25. . . . . . . . . . . . . . . . . . Reassembly 4C–26. . . . . . . . . . . . . . . . . . . . . . . . . .
Shift On The Fly System 4C–28. . . . . . . . . . . . . . . . .
Shift On The Fly System and Associated
Parts 4C–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 4C–28. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–30. . . . . . . . . . . . . . . . . .
Main Data and Specifications 4C–35. . . . . . . . . . .
Special Tools 4C–36. . . . . . . . . . . . . . . . . . . . . . . . . .
Front Propeller Shaft 4C–37. . . . . . . . . . . . . . . . . . . . .
General Description 4C–37. . . . . . . . . . . . . . . . . . . . .
Front Propeller Shaft and Associated Parts 4C–38
Removal 4C–38. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4C–39. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly (Except TOD 4
4) 4C–40. . . . . . . . .
Universal Joint Disassembly 4C–41. . . . . . . . . . . .
Inspection and Repair 4C–42. . . . . . . . . . . . . . . . . .
Universal Joint Reassembly 4C–45. . . . . . . . . . . . .
Reassembly (Except TOD 4
4) 4C–46. . . . . . . . . .
Main Data and Specifications 4C–47. . . . . . . . . . .
Rear Propeller Shaft 4C–48. . . . . . . . . . . . . . . . . . . . .
General Description 4C–48. . . . . . . . . . . . . . . . . . . . .
Rear Propeller Shaft and Associated Parts 4C–48
Removal 4C–49. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4C–49. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 4C–50. . . . . . . . . . . . . . . . . . . . . . . . . .
Universal Joint Disassembly 4C–51. . . . . . . . . . . .
Inspection and Repair 4C–52. . . . . . . . . . . . . . . . . .
Universal Joint Reassembly 4C–53. . . . . . . . . . . . .
Reassembly 4C–54. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Data and Specifications 4C–55. . . . . . . . . . .