GMC chevrolet camaro 2000 Service Manual page 645

5-172 Antilock Brake System Brakes
DTC C0110 Pump Motor Circuit Malfunction (cont'd)
Step
Action
Value(s)
Yes
No
Repair CKT 150 for an open or high resistance. Refer to
8
Wiring Repairs.
-
-
Is the repair complete? Go to Step 16
1. Install the fuse if removed.
.i
2. Using J
39200 DMM, measure the voltage at the
Go to Power
9
40A ABS BATT 1 Maxifuse® by probing between the
B+
Distribution
fuse test terminals and a good ground.
Schematics in
Is the voltage within the range specified in the value(s)
Electrical
column? Go to Step 10 Diagnosis
Using
J
39200 DMM, measure the voltage at terminal 13
10
of
J
39700.
B+
Is the voltage within the range specified in the value(s)
column? Go to Step 14 Go to Step 13
'
Replace EBCM. Refer to Electronic Brake Control Goto A
11
Module (EBCM) Replacement.
-
Diagnostic
-
Is the replacement complete?
System
Check-ABS
Repair short to ground in CKT 302. Refer to Wiring
12
Repairs.
- -
Is the repair complete? Go to Step 16
13
Repair open in CKT 302. Refer to Wiring Repairs.
-
-
Is the repair complete? Go to Step 16
1. Disconnect the EBCM pump motor connector C2.
2. Connect a 1 OA fused jumper wire between the pump
motor connector C2 terminal 1 and B+.
(
3. Connect a jumper wire between the pump motor
14
connector C2 terminal 2 and ground. Only attempt to
-
run the pump motor for 5 seconds.
4. Disconnect the jumper wires.
5. Inspect the 1 OA fuse in the jumper wire.
Is the fuse OK? Go to Step 15 Go to Step 6
1. Zero the J 39200 DMM leads.
2. Using J 39200 DMM, measure the resistance
15
between terminals 1 and 2 of the pump motor
0-4Q
connector C2.
Is the resistance within the range specified in the value(s)
column? Go to Step 11 Go to Step 6
1. Reconnect all previously disconnected components.
2. Using a scan tool clear the DTC.
16
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 DTC? Go to Step 2
Check-ABS