GMC chevrolet camaro 2000 Service Manual page 611

5-138 Antilock Brake System Brakes
DTC C0040 RF Wheel Speed Circuit Malfunction (cont'd)
Step Action Value(s) Yes
No
Repair CKT 833 for an open or high resistance. Refer to
Wiring Repairs. If an open or high resistance is found in
11
the jumper harness, replace the jumper harness.
Refer to Wheel Speed Sensor Jumper Harness
-
-
Replacement (Front Right).
Is the repair complete?
Go to Step 18
Malfunction is intermittent. Inspect all connectors and
12
harnesses for damage that may result in an open or high
-
resistance when connected. Refer to Wiring Repairs.
-
Is the repair complete? Go to Step 18
1. Disconnect the Wheel Speed Sensor.
2. Turn the ignition switch to the RUN position,
engine off.
3. Using J 39200 DMM, measure the voltage at
13
terminal 4 of J 39700 if the vehicle is equipped with
Traction Control. If the vehicle is not equipped with
Above 1V
Traction Control measure the voltage at terminal 3 of
J39700.
Is the voltage within the range specified in the value(s)
column? Go to Step 14
Go to Step 15
Repair CKT 872 for a short to voltage. Refer to Wiring
Repairs. If a short to voltage is found in the jumper
14
harness, replace the jumper harness. Refer to
-
Wheel Speed Sensor Jumper Harness Replacement
-
(Front Right).
·.
Is the repair complete? Go to Step 18
Using J 39200 DMM, measure the voltage at terminal 5
(
15
of J 39700.
Above 1V
Is the voltage within the range specified in the value(s)
Go to Step 16 Go to Step 17 column?
Repair CKT 833 for a short to voltage. Refer to Wiring
Repairs. If a short to voltage is found in the jumper
16
harness, replace the jumper harness. Refer to
-
Wheel Speed Sensor Jumper Harness Replacement
-
(Front Right).
Is the repair complete? Go to Step 18
Replace the EBCM. Refer to Electronic Brake Control Go to A
17
Module (EBCM) Replacement.
-
Diagnostic
-
Is the replacement complete?
System
Check-ABS
1. Reconnect all previously disconnected components.
2. Using a scan tool clear the OTC.
18
3. Remove the scan tool from the DLC.
Go to
A
-
4. Carefully drive the vehicle above 12 Km/h (8 mph) for
Diagnostic
several minutes.
System
Does the OTC reset as a current OTC?
Go to Step 2 Check-ABS