GMC chevrolet camaro 2000 Service Manual page 619

5-146 Antilock Brake·System
Test Description
The number(s) below refer to the step number(s) on
.the diagnostic table.
6. This step checks for the proper resistance in
the WSS.
7, .This step checks for the proper WSS output.
DTC C0046 LR Wheel Speed Circuit Range/Performance
.
Step Action
.
Value(s) Yes
Was the Diagnostic System Check performed?
1
-
.
' .
' .
Go to Step 2
2
Inspect the WSS for physical damage.
Is physical damage of the WSS evident?
-
Go to Step 3
Replace the WSS. Refer to Wheel Speed Sensor
3
Replacement (With out Tractional Control).
-
Is the replacement complete? Go to Step 16
4
Inspect the jumper harness for physical dama·ge.
-
Is physical damage of the jumper harness evident?
Go to Step 5
Replace the jumper harness. Refer to Wheel Speed
5
Sensor Jumper Harness Replacem~nt (Rear with Traction
Control). ·
-
Is the replacement complete? ·,,. Go to Step 16
1. Disconnect the WSS connector directl¥ at the WSS.
2. Using J 39200 DMM, measure the re,~istance
6 between terminals A and B of the WSS;
2032-42660
Is the resistance within the range specified in the value(s)
column?
..
.
.
. G.o to Step 7
1. With .the J 39200 DMM still connected to the WSS
select the mV AC scale.
7
2. Spin.the wheel.as fast as you can by_h1:1nd while
monitoring the AC output. ·· ··
Above 100 mV
ls.the AC voltage within the range specified in the value(s)
column? ·
Go to Step 8
Using J 39200 DMM, measure the resistance between the
8
WSS terminal A and ground.
OL (infinite)
Is the resistance within the range specified in the value(s)
column? Go to Step 9
1. Disconnect the EBCM harness connector C1.
2. Install the J 39700 Universal Pinout Box using the
J 39700-530 cable adapter to thE3 EBCM harness
9
connector C1 only.
OL (infinite)
3. Using J 39200 DMM, measure the resistance
between terminals 22 and 23 of J 39700.
Is the resistance within the range specified in the values
column? ·
Go to Step 11
Repair short between CKT(s) 884 and 885. Refer to Wiring
Repairs. If a between wheel speed sensor Circuits is found
10
in the jumper harness, replace the jumper harness. Refer
-
to Wheel Speed Sensor Jumper Harness Replacement
(Rear with Traction Control).
Is the repair complete? Go to Step 16
Brakes
(
No
Go to A
Diagnostic
System
Check-ABS
Go to Step 4
-
Go to Step 6
-
(
·Ga to Step 3
Go to Srep 3
Go to Srep 3
Go to Step 10
-