GMC chevrolet camaro 2000 Service Manual page 654

Brakes
Antilock Brake System 5-181
DTC C0181 Throttle Reduction· Motor CKT Malfunction
)
Step Action
Value(s) Yes
No
Was the Diagnostic System Check performed? Go to A
1
-
Diagnostic
System
Go to Step2 Check-ABS
1. Tumthe ignition switch .to the OFF position.
2. Disconnect the Accelerator Control and Adjuster
connector.
3.
Disconnect all cables from the Accelerator Control
and Adjuster.
4. Rotate Adjuster by hand fully, then release and allow
2
to return to the stop. Repeat this procedure
0.5:_10Q
three times.
5. Zero the leads on the
J 39200 DMM.
.6 . . Using J39200 OMM, measure the resistance
between the Accelerator Control and Adjuster
connector terminals A and 8.
Is the resistance within the range specified in th.e value(s)
..
·
column? Go to Step .4 Go to Step 3
Replace the Accelerator Control and Adjuster. Refer to
Go to A
.
3
Adjuster Assembly Replacement.
-
Diagnostic
-
Is the repair complete?
System
Check-ABS
1. Disconnect the ASM harness connector.
2. Using
J 39200 DMM measure the resistance between
4 the ASM harness connector terminals 22 and 28. OL (infinite)
Is the resistance wjthin the range specified in the value(s)
column? Go to Step 6 Go to Step 5
Repair CKT 560 for a short to ground. Refer to Wiring
Go to A
5
Repairs.
-
Diagnostic
-
Is the repair complete?
System
Check-ABS
Using
J
39200 DMM measure the resistance between the
6
ASM harness connector terminals 26 and 28.
OL (infinite)
Is the resistance within the range specified in the value(s)
column? Go to Step 8 Go to Step 7
Repair CKT 561 for a short to ground. Refer to Wiring Go to A
7
Repairs.
-
Diagnostic
-
Is the repair complete?
System
Check-ABS
Using the
J 39200 DMM, measure the resistance between
the ASM harness connector terminal 22 and the
8
Accelerator Adjuster harness connector terminal A. 0-5Q
Is the resistance within the range specified in the value(s)
column?
Go to Step 10 Go to Step 9
Repair CKT 560 for an open. Refer to Wiring Repairs.
Go to A
9
Is the repair complete?
-
Diagnostic
-
System
Check-ABS
)