GMC chevrolet camaro 2000 Service Manual page 644

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Brakes Antilock Brake System 5-171
• The following conditions may cause an intermittent Test Description
malfunction:
- A poor connection
The numbers below refer to step numbers on the
diagnostic table.
- 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.
4. This step checks for a short to ground in CKT 302.
10. This step checks for an open in CKT 302.
DTC C011 O Pump Motor Circuit Malfunction
Step Action Value{s) Yes No
·.
Was the· Diagnostic System Check performed?
Go to A
1
-
Diagnostic
System
Go to Step 2 Check-ABS
Inspect the 40A ABS BATT 1 Maxifuse®, in the Underhood
2
Electrical Center 1.
-
Is the fuse OK?
Go to Step 7 Go to Step 3
1. Install a new 40A ABS BATT Maxifuse®.
2. Cycle the ignition switch from the OFF to RUN
position, engine OFF,
3 3. Using a scan tool in ABS!fCS Special Functions
-
attempt to run the AUTOMATED test.
4. Recheck the 40A ABS BA TT 1 Maxifuse® fuse. .
Is the fuse OK? Go to Step 16
Go to Step 4
1. Tumthe Ignition switch to the OFF position.
2. Remove the 40A ABS BA TT 1 Maxifuse®.
3. Disconnect the EBCM connector C1.
4. Connect the J 39700 Universal Pinout Box using the
4
J
39700-530 cable adapter to the EBCM harness
OL (infinite)
connector only.
5. Using
J
39200 DMI\II, measure the resistance
between termin;3.ls 13 and 15 of J 3Q700,
Is the resistance within the range specified in the value(s)
column?
Go to Step 5
Go to Step 12
1. Disconnect the EBCM pump motor connector C2.
2. Connect a 10A fused jumper wire between the pump
motor connector C2 terminal 1 and battery voltage.
3; Connect a jumper wire between the pump motor
5
connector C2 terminal 2 and groLJnd. Only attempt to
-
run the purryp 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 11 Go to Step 6
Replace the BPMV. Refer to Brake Pressure Modulator
6
Valve (BPMV) Replacement.
-
-
Is the replacement complete?
Go to Step 16
1. Turn the Ignition switch to the OFF position.
2. Disconnect the EBCM connector C1 .
3. Connect
J.
39700 Universal Pinout Box using the
J
39700-530 cable adaptor to the EBCM harness
7
connector Cl only.
0-5.Q
4. Using J 39200. DMM, measur.e the resistance
between terminals 12 and 15 of
J
39700.
Is the resistance within the range specified in the value(s)
column? Go to Step 9 Go to Step B