1998 OPEL FRONTERA Workshop Manual

Page 625 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–54
Check flowTrouble codePhenomenonStandard
1333The ADC line is short-circuited to
GND.—
NOTE:
The on/off signal line of the shift on the fly system is
short–

Page 626 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–55 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  5  and  19  meet  the
st

Page 627 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–56
Check flowTrouble codePhenomenonStandard
1425The CHECK lamp indicator line is
short–circuited to the battery.—
35The line is broken or short–circuited
to

Page 628 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–57 DRIVE LINE CONTROL SYSTEM (TOD)
StepActionYe sNo
11. Turn on the starter switch.
Is the CHECK lamp always turned on?
Go to Step 2Go to Step 3
21. Turn off the starter switch.
2. Disconnect th

Page 629 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–58
Trouble Diagnosis Depending on The
Status of TOD Indicator
Functional  check  with  TOD  indicator  light  is  conducted
prior to check on Charts A–H.
After

Page 630 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–59 DRIVE LINE CONTROL SYSTEM (TOD)
Chart AIndicator drive circuit
Function of circuitThe circuit informs the indicator of the working condition of the ECU.
Fail conditionAll the TOD indicator la

Page 631 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–60
StepActionYe sNo
1Turn on the starter switch.
Is the battery voltage observed between terminals 1 and 19?The ECU has
failed. Replace
the ECU.
Go to Step 2
Chec

Page 632 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–61 DRIVE LINE CONTROL SYSTEM (TOD)
Chart B–1The 4WD switch circuit wires are broken or short-circuited to the GND
Function of circuit—
Fail conditionEven after the transfer mode is selected