1998 OPEL FRONTERA wheel

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Page 822 of 6000

OPEL FRONTERA 1998  Workshop Manual 5A–12
BRAKE CONTROL SYSTEM
EHCU Connector Pin-out Checks
Disconnect Electronic Brake Control Module.
Perform  checks  with  high  impedance  digital
multimeter (5-8840-0366-0) or equivalent.
No.
Cir

Page 845 of 6000

OPEL FRONTERA 1998  Workshop Manual 5A–35 BRAKE CONTROL SYSTEM
Symptom Diagnosis
The  symptoms  that  cannot  be  indicated  by  the  warning
light can be divided in the following five categories:
1. ABS  works  frequently  but  vehic

Page 846 of 6000

OPEL FRONTERA 1998  Workshop Manual 5A–36
BRAKE CONTROL SYSTEM
StepNo Ye s
Action
10Is the input of 4WD controller normal?
Go to Step 11
Replace
controller or
repair harness.
Go to Step 11
11Reconnect  all  components  and  ensure  al

Page 848 of 6000

OPEL FRONTERA 1998  Workshop Manual 5A–38
BRAKE CONTROL SYSTEM
Chart A-5, TA-5 Braking Sound (From EHCU) Is Heard While Not Braking
StepActionYe sNo
1Is this the first time the vehicle is being driven after starting the
engine?It is s

Page 849 of 6000

OPEL FRONTERA 1998  Workshop Manual 5A–39 BRAKE CONTROL SYSTEM
Diagnostic Trouble Codes
Choose  and  trace  an  appropriate  flowchart  by  the
numbers listed below to find fault and repair.
Code
ItemDiagnosisChart No.
12Start CodeNor

Page 850 of 6000

OPEL FRONTERA 1998  Workshop Manual 5A–40
BRAKE CONTROL SYSTEM
Diagnosis By “ABS” Warning Light
Illumination Pattern
In the event that there is abnormality in the “ABS” warning
light illumination pattern while the key is in th

Page 852 of 6000

OPEL FRONTERA 1998  Workshop Manual 5A–42
BRAKE CONTROL SYSTEM
4. Notes
If  the  following  should  occurs  during  Diagnostic
Trouble  Code  (DTC)  display  the  display  will  be
discontinued.    After  initial  check,  the  status

Page 866 of 6000

OPEL FRONTERA 1998  Workshop Manual 5A–56
BRAKE CONTROL SYSTEM
Chart B-24 Sensor Signal Input Abnormality (DTC 65)
StepActionYe sNo
1Using TECH 2?Go to Step 2Go to Step 3
21. Connect TECH 2.
2. Select Snap shot manual trigger.
3. With