1998 OPEL FRONTERA Workshop Manual

Page 649 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–78
StepNo Ye s Action
15When the transfer lever is shifted to the high position and 4WD
switch shifted to 4WD position, is 0V observed on each VSV?
Go to Step 16

Page 650 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–79 DRIVE LINE CONTROL SYSTEM (TOD)
Chart E–2The AXLE switch circuit is short-circuited to GND.
Function of circuit—
Fail conditionEven after the 4WD SW is select to the 2WD position, the 2WD

Page 651 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–80
StepActionYe sNo
1Start the engine.
When the transfer lever is shifted to the neutral position between
high and 4L, is 5V observed between terminals 10 and 19?

Page 652 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–81 DRIVE LINE CONTROL SYSTEM (TOD)
StepNo Ye s Action
16When  the  transfer  lever  is  shifted  to  the  4L  position,  is  0V
observed on each VSV?
Go to Step 17
Repair the circuit
or replace

Page 653 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–82
Chart GThe trouble codes are displayed.
Function of circuit—
Fail condition
Indicator lamp status
Transfer position—
D04RW056

Page 654 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–83 DRIVE LINE CONTROL SYSTEM (TOD)
StepActionYe sNo
1Disconnect the ECU connector from ECU.
Is  the  continuity  established  between  terminals  (B–68)8  and
(B–67)11?
Go to Step 2
The ECU

Page 655 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–84
Chart Hlighting switch circuit
Function of circuitReads in the status of lighting switch and reduces the indicator brightness at night.
Fail conditionEven if t

Page 656 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–85 DRIVE LINE CONTROL SYSTEM (TOD)
StepActionYe sNo
11. Disconnect ECU terminal.
2. Turn on the starter switch.
Is battery voltage observed between ECU terminals (B–68)1 and
(B–67)11?
Go to