1998 OPEL FRONTERA sensor

4B2–25 DRIVE LINE CONTROL SYSTEM (TOD)
Reference
Transfer connector pin assignment (connector on the
transfer case)
for inspection of transfer pins.
810RW310
No.NAMECONTENTS
1Ref. (Rer. )Rear speed sensor reference output
2Ref. (Frt. )Front speed sensor reference output
3SW GNDSW GND
44H SW (+)4H SW plus terminal
5Rer. (+)Rear speed sensor plus
6Frt. (+)Front speed sensor plus
7POWER GNDPower GND
8SOL (+)Electromagnetic solenoid
9COM (–) (Rer. )Rear speed sensor GND
10COM (–) (Frt. )Front speed sensor GND
11NCNot used
124L SW (+)4L SW plus terminal

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–26
Checking Failed TOD Control Unit Pin
NOTE:
1. Unplug the ECU connector and the pins, unless
otherwise specified.2. Before removing the ECU, turn off the ignition switch.
3. If the standard values are not observed, check the
pins with other testers.
Check
Pin
No.Circuit to be
testedIgnition
Switch
PositionEngine
StateMultimeter
Scale/
RangeMeasure
between Pin
NumberStandard ValveNote
14D-G MAPOFFSTOP14, 19Continuity : OK
(Gasoline)
20P-GNDOFFSTOP20, 19Continuity : OK
19GNDOFFSTOP19, GNDContinuity : OK
84H SWOFFSTOP8, 19No continuity (high,
4L) and continuity
(N) : OK
94L SWOFFSTOP9, 19No continuity (high)
and continuity (4L,
N) : OK
10AXLE SWONRUN10, 19Continuity : OKRemove ECU and start the engine. Move
the vehicle forth and back to connect axle
surely.
13DIAGOFFSTOP13 (TOD), 8
(DLC Con-
nector)Continuity : OKDLC connector terminal 8
25IND.aONSTOPDCV25 (+), 19 (–)8.0 14.5 VLighting SW ON : 0V
Lighting SW OFF : 8.0 14.5 V
26IND.bONSTOPDCV26 (+), 19 (–)8.0 14.5 V
27IND.cONSTOPDCV27 (+), 19 (–)8.0 14.5 V
30CHECK
LAMPONSTOPDCV30 (+), 19 (–)8.0 14.5 V
11ABS INONSTOPDCV11 (+), 19 (–)11 . 5 14.5 V
15Ref.ONSTOPDCV15 (+), 19 (–)5 9 VConnect ECU
24Ft.(+)ONSTOPDCV24 (+), 19 (–)0.7 6 VConnect ECU (off one tooth of speed
sensor ring) and move the vehicle making
sure of voltage change.
23Rr.(+)ONSTOPDCV23 (+), 19 (–)0.7 6 VConnect ECU (off one tooth of speed
sensor ring) and move the vehicle making
sure of voltage change.
18COM(-)ONSTOPDCV18 (+), 19 (–)0VConnect ECU
1VigONSTOPDCV1 (+), 19 (–)8 14.5 V
7BRAKEOFFSTOPDCV7 (+), 19 (–)8 14.5 VPress brake pedal
21TPSONSTOPDCV21 (+), 19 (–)0.2 4.6 VStep on the accelerator pedal and make
sure that voltage changes.
34WD OUTOFFSTOP3, 197 12 kDisconnect battery GND terminal
5ADC(+)OFFSTOP5, 1910 30 Disconnect battery GND terminal
4SOL(+)OFFSTOP4, 191.0 5.0 Disconnect battery GND terminal
12TOD SWONSTOPDCV12 (+), 19 (–)SW OFF : 0 V
SW ON : 8.0 14.5 VSW OFF : Contact point open
SW ON : Contact point close
6LIGHTINGONSTOPDCV6 (+), 19 (–)SW OFF : 8.0 14.5
V
SW ON : 0 V
28AUTO INDIONSTOPDCV28 (+), 19 (–)TOD : 0 V
2H & 4L : 8.0 14.5
VLighting SW ON : 0V
Lighting SW OFF : 8.0 14.5 V
29RR INDIONSTOPDCV29 (+), 19 (–)0 V
17US/JAPOFFSTOP17 (+), 19 (–)No continuity : OK

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–30
Diagnostic Trouble Codes
CodeItemDiagnosisCheck flow No.
12Start codeNormal—
13RefShorted GND6
14Front speed sensorInput abnormality (open, sig or com)2
15RefShorted VB6
16Front speed sensorInput abnormality3
21TPSShorted or disconnected wiring, abnormality in
input7
23ECUCPU abnormality1
24Rear speed sensorInput abnormality (open, sig or com)5
25CHECK lampShorted14
26EMC (+)Shorted GND10
27Rear speed sensorInput abnormality4
28ADC (+) & AXLE SWOutput abnormality11
31EMC (+)Shorted or disconnected coil/wiring9
32ADC (+)Shorted or disconnected coil/wiring12
33ADC (+)Shorted GND13
34D-G MAPInput abnormality8
35CHECK lampShorted or disconnected wiring14
36ECUCPU abnormality1
37ECUCPU abnormality1
38ECUCPU abnormality1
TPS : Throttle Position Sensor
EMC : Electromagnetic coil
ADC : Shift on the fly (Axle Dis Connect)
D-G MAP : Discrimination engine type

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–32
Check flowTrouble codePhenomenonStandard
214Front speed sensor signal open or
GND short, speed sensor com
open.0.3 > sensor voltage
NOTE: The following procedure shows the case that the
front or rear sensor reference or common grounding line
is broken.
D04RW061

4B2–33 DRIVE LINE CONTROL SYSTEM (TOD)
StepActionYe sNo
11. Start the engine.
2. Select 4H (TOD) mode.
Is the memory except DTC 14?
Go to Step 3Go to Step 2
2Is the continuity harness of terminal 24 (vehicle side terminal of
the front speed sensor)?Replace speed
sensor.
Go to Step 6
Repair the circuit.
Go to Step 6
3Is the memory DTC 24?
Go to Step 4
Refer to other
trouble check
flow.
Go to Step 2
4Is the continuity between harness of terminal 23 and 24 (vehicle
side terminal of the front and rear speed sensor)?
Go to Step 5
Repair the circuit.
Go to Step 6
5Is the continuity between harness of terminal 18 and 15 (vehicle
side terminal of the speed sensor COM and ref)?Replace front and
rear speed
sensor.
Go to Step 6
Repair the circuit.
Go to Step 6
61. Check that all the parts are mounted.
2. Clear the trouble code.
Is the step complete?
Repeat the
“Diagnosis Flow”.
The trouble is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
Return to Step 6

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–34
Check flowTrouble codePhenomenonStandard
316The front speed sensor no pulse.Hi level : 4.5 6.0 V
Lo level : 0.7
2.0 V
Frequency (F) =
GAS: 832 Hz (at 50 km/h)
NOTE: Find the trouble in which the pulse corresponding
to the running speed is not input.
D04RW061

4B2–35 DRIVE LINE CONTROL SYSTEM (TOD)
StepActionYe sNo
11. Connect TECH 2.
While running in TOD mode, does TECH–2’s front speed sensor
indication change with vehicle speed?
Go to Step 2
Repair and
inspection front
speed sensor
tone wheel.
Go to Step 4
2Is the continuity harness of terminal 24 (vehicle side terminal of
the front speed sensor)?Replace speed
sensor.
Go to Step 3
Repair the circuit.
Go to Step 3
31. Clear the trouble code.
While running at 40 kph in TOD mode for 30 consecutive sec, is
trouble code reissued?
Replace ECU.
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”.
The trouble is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
Return to Step 4

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–36
Check flowTrouble codePhenomenonStandard
427The rear speed sensor no pulse.Hi level : 4.5 6.0 V
Lo level : 0.7
2.0 V
Frequency (F) =
832 Hz (at 50 km/h)
NOTE: Find the trouble in which the pulse corresponding
to the running speed is not input.
D04RW060