GMC chevrolet camaro 2000 Service Manual page 617

S.;144 Antilock Brake System Brakes
DTC C0045 LR Wheel Speed Circuit Malfunction (cont'd)
Step
Action Value(s) Yes No (
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.
13
3. Using J 39200 DMM, measure the voltage at
Above 1V
terminal 22 of J 39700.
Is the voltage within the range specified in the value(s)
column?
Go to Step 14 Go to Step 15
Repair CKT 884 for a short to voltage. Refer to Wiring
\
Repairs. If a short to voltage is fourid in the jumper
14
harness, replace the jumper harness. Refer to Wheel
Speed Sensor Jumper Harness Replacement (Rear with
-
-
Traction Control).
Is the repair complete?
Go to Step 18
Using J 39200 DMM, measure the voltage at terminal 23 ·
15
of J 39700.
Above 1V
Is the voltage within the range specified in the value(s)
column? Go to Step 16 Go to Step 17
Repair CKT 885 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 (Rear with
-
-
Traction Control).
..
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 toStep.2 Check-ABS