1998 OPEL FRONTERA Workshop Manual

Page 4153 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–70
D04RY00062

Page 4154 of 6000

OPEL FRONTERA 1998  Workshop Manual 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
me

Page 4155 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–72
Check flowTrouble codePhenomenonStandard
1425The CHECK lamp indicator line is
short–circuited to the battery.—
35The line is broken or short–circuited
to

Page 4156 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–73 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 4157 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–74
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 4158 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–75 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 4159 of 6000

OPEL FRONTERA 1998  Workshop Manual DRIVE LINE CONTROL SYSTEM (TOD) 4B2–76
D04RY00115
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

Page 4160 of 6000

OPEL FRONTERA 1998  Workshop Manual 4B2–77 DRIVE LINE CONTROL SYSTEM (TOD)
Chart B–1The 4WD AUTO switch circuit wires are broken or short-circuited to the GND
Function of circuit—
Fail conditionEven after the transfer mode is sele