Malfunction - GMC chevrolet camaro 2000 Service Manual

5-180 Antilock Brake System
DTC C0181 Throttle Reduction Motor CKT Malfunction
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Accelerator
I I And Servo
I I Control
I I
Module (ASM)
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L · ~,l ~ ,, J __ J __
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J ___
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221 491 531 261
O.SWHT 560
0.8 WHT 560
o.a .
0.8 GRY 561
GRY 561
D
C212
B D
C211
F
C212
1WHT 560
1 GRY 561 1 GRY 561
1WHT 560
5204
5205
2WHT
560
2GRY 561
?100
A B
Accelerator
Control And
Adjuster
Circuit Description Diagnostic Aids
Brakes
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L2u
519730
Identifies an adjuster assembly motor circuit that is
shorted to ground, shorted to voltage, or an open
circuit. This malfunction wiU not allow the adjuster
assembly motor to be .controlled at the commanded
current rate or will cause the driver circuit to allow
current directly to ground.
Thoroughly inspect any circuitry that may be causing
the complaint for the following conditions:
Conditions for Setting the DTC .
DTC C0181 can set anytime the ignition switch is in
the RUN position and the EBCM detects an open,
short to ground, or a short to voltage.
Action Taken When the OTC Sets
• A malfunction DTC stores
• The TCS disables
• The amber TCS indicator turns on
Conditions for Clearing the DTC
• The condition responsible for setting the DTC no
longer exists and the scan tool Clear DTCs
function is used.
• 100 ignition cycles pass .with no DTCs detected.
- Backed out terminals ·
- Improper mating
- Broken locks
- Improperly formed or damaged terminals
- Poor terminal-to-wiring connections
- Physical damage to the wiring harness
The following conditions may cause an intermittent
malfunction:
- A poor connection
- Rubbed-through wire insulation
- A broken wire inside the insulation
If an intermittent malfunction exists refer to Testing for
Intermittent and Poor Connections in Wiring Systems.
Test Description
The number(s) below refer to the step number(s) on
the diagnostic table.
4. This step checks for a short to ground.
8. This step checks for an open.
14. This step checks for a short to voltage.
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