Jeep Grand Cherokee WK. Manual — part 183
C2204-SENSOR CLUSTER INTERNAL (CONTINUED)
8.
(G94) SENSOR CLUSTER GROUND CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Turn the ignition on.
Measure the voltage of the (G94) Sensor Cluster Ground circuit.
Is there any voltage present?
Yes
>> Repair the (G94) Sensor Cluster Ground circuit for a short
to voltage.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 9
9.
(G94) SENSOR CLUSTER GROUND CIRCUIT OPEN
Turn the ignition off.
Measure the resistance of the (G94) Sensor Cluster Return circuit.
Is the resistance below 5.0 ohms?
Yes
>> Replace the Anti-Lock Brake Module in accordance with
the Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Repair the (G94) Sensor Cluster Ground circuit for an
open.
Perform ABS VERIFICATION TEST - VER 1.
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BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
WK
C2204-SENSOR CLUSTER INTERNAL (CONTINUED)
10.
CHECK THE DYNAMICS SENSOR OUTPUT
CAUTION: All previously removed connectors must be connected before test driving the vehicle.
CAUTION: Ensure brake capability is available before road testing.
Have an assistant test drive the vehicle while monitoring the Sensor Cluster operation.
Was the Lateral Sensor output between 0.02 G to 0.16 G and the Yaw Sensor between 1.30° to 5.70°
Yes
>> Replace the Anti-Lock Brake Module in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 11
11.
(D52) SENSOR CLUSTER HIGH DATA LINK CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Sensor Cluster harness connector.
Disconnect the Anti-Lock Brake Module harness connector.
Turn the ignition on.
Measure the voltage of the (D52) Sensor Cluster High Data Link cir-
cuit.
Is there any voltage present?
Yes
>> Repair the (D52) Sensor Cluster High Data Link circuit for
a short to voltage.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 12
12.
(D52) SENSOR CLUSTER HIGH DATA LINK CIRCUIT SHORT TO GROUND
Turn the ignition off.
Measure the resistance between ground and the (D52) Sensor Cluster
High Data Link circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (D52) Sensor Cluster High Data Link circuit for
a short to ground.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 13
WK
BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
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C2204-SENSOR CLUSTER INTERNAL (CONTINUED)
13.
CHECK THE (D52) SENSOR CLUSTER HIGH DATA LINK CIRCUIT FOR AN OPEN
Measure the resistance of the (D52) Sensor Cluster High Data Link
circuit.
Is the resistance below 5.0 ohms?
Yes
>> Go To 14
No
>> Repair the (D52) Sensor Cluster High Data Link circuit for
an open.
Perform ABS VERIFICATION TEST - VER 1.
14.
CHECK THE (D51) SENSOR CLUSTER LOW DATA LINK CIRCUIT FOR A SHORT TO VOLTAGE
Turn the ignition on.
Measure the voltage of the (D51) Sensor Cluster Low Data Link cir-
cuit.
Is there any voltage present?
Yes
>> Repair the (D51) Sensor Cluster Low Data Link circuit for
a short to voltage.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 15
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BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
WK
C2204-SENSOR CLUSTER INTERNAL (CONTINUED)
15.
CHECK THE (D51) SENSOR CLUSTER LOW DATA LINK CIRCUIT FOR A SHORT TO GROUND
Turn the ignition off.
Measure the resistance between ground and the (D51) Sensor Cluster
Low Data Link circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (D51) Sensor Cluster Low Data Link circuit for
a short to ground.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 16
16.
CHECK THE (D51) SENSOR CLUSTER LOW DATA LINK CIRCUIT FOR AN OPEN
Measure the resistance of the (D51) Sensor Cluster Low Data Link cir-
cuit.
Is the resistance below 5.0 ohms?
Yes
>> Replace the Sensor Cluster in accordance with the Ser-
vice Information.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Repair the (D51) Sensor Cluster High Data Link circuit for
an open.
Perform ABS VERIFICATION TEST - VER 1.
WK
BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
5 - 361
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