GMC chevrolet camaro 2000 Service Manual page 677

5-204
Antilock Brake System Brakes
DTC C0245 Wheel Speed Sensor Frequency Error
Step
Action Value(s)
Yes
.
No
Was the Diagnostic System· Check performed? Go to
A
1
-
Diagnostic
System
(
.
Go to Step 2 Check-.ABS
Is the following DTC(s) set concurrently with a history
I•
OTC C0245?
• OTC C0036
Goto OTC
2
• OTC C0041
-
Diagnostic
• OTC C0046
Trouble
o
OTC C0051
Code(DTC)
• OTC C0056 · Lisf/Type Go to Step 3
3
Inspect the WSS for physical damage.
-
Is physical damage of the WSS evident?
Go to Step 4. Go to Step 5
4
Replace the WSS.
- -
Is the replacement complete? Go to Step 14
5
Inspect the jumper harness for physical damage.
-
Is physical damage of the jumper harness evident?
Go to Step 6 Go to Step 7
6
Replace the jumper harness.
- -
Is the replacement complete?
·Goto Step 14
Check for Proper routing of the wheel speed sensor
.·
7
harness. Check that the wheel speeci sensor harness is
-
routed away from the spark plug wires.
Is the wheel speed sensor harness properly routed? Go to Step 9 Go to Step 8
Reroute the wheel speed sensor harne~s away from the
8
spark plug wires.
-
-
Is the reroute complete? Go to Step 14
1. Install a scan tool.
2. Turn the ignition switch to the RUN position.
3. Set the scan tool to Snap Shot Auto Trigger mode
(
9
and monitor the wheelspeed sensors.
-
4. Carefully drive the vehicle above 12 Km/h (8 mph) for
several minutes
Did the scan tool trigger on any of the wheel speed
sensors? Go to Step 10 Go to Step 11
Note which wheel speed sensor triggered the scan tool.
Follow the appropriate Wheel Speed Sensor Malfunction
Go to A
10
OTC table for the wheel speed sensor that triggered. Refer
-
Diagnostic
-
to OTC Table.
System
Is the repair complete? Check-ABS
1. Reconnect all previously disconnected components.
2. Using a scan tool clear the OTC.
11
3. Remove the scan tool from the DLC.
4. Carefully drive the vehicle above 12 Km/h (8 mph) for
-
several minutes.
Does the OTC reset as a current OTC? Go to Step 13 Go to Step 12
Malfunction is intermittent. Inspect all connectors and
Go to A
12
harnesses for damage that may result in an open or high
-
Diagnostic
-
resistance when connected. Refer to Wiring Repairs.
System
Is the repair complete? Check-ABS
Replace the EBCM. Refer to Electronic Brake Control Go to A
13
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.
14
3. Remove the scan tool from the DLC.
Go to A
Carefully drive the vehicle above i2 Km/h (8 mph) for
-
4.
Diagnostic
several minutes.
System
Does the OTC reset as a current OTC?
Go to Step 2 Check-ABS