Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 198
3.
CHECK FOR IMPROPER RIGHT FRONT TIRE PRESSURE/MISMATCHED TIRES
Turn the ignition off.
Check and adjust the Right Front Tire pressure.
Check and adjust all other tire pressures.
Inspect for mismatched tires on vehicle.
Is the Right Front Tire improperly inflated or mismatched tires on vehicle?
Yes
>> Repair as necessary
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Go To 4
4.
CHECK RIGHT FRONT WSS LOOSENESS, INSPECT B6, B7 CIRCUITS/TERMINALS FOR DAMAGE
NOTE: Check all terminals for broken, bent, pushed out, or corroded terminals
Inspect the Anti-Lock Brake Module harness connector, Right Front WSS, and Right Front WSS harness connector
Inspect the Right Front WSS for looseness, excessive corrosion and not properly fastened.
Inspect the (B6) Right Front WSS Signal and (B7) Right Front WSS Supply circuits between the Right Front WSS
and Anti-Lock Brake Module for damage.
Is the Right Front WSS loose or any of the wiring/connectors/terminals damaged?
Yes
>> Repair as necessary
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Go To 5
5.
CHECK RIGHT FRONT TONE WHEEL FOR DAMAGE
Inspect the Right Front Tone Wheel for damage, missing teeth, cracks, or looseness.
NOTE: The Tone Wheel teeth should be perfectly square, not bent, or nicked.
Is the Right Front Tone Wheel damaged?
Yes
>> Repair as necessary
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Go To 6
6.
RIGHT FRONT WHEEL SPEED SENSOR
Replace the Right Front Wheel Speed Sensor in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
Road test the vehicle over 40 km/h (25 m.p.h.).
NOTE: Vehicle must be driven above 40 km/h (25 m.p.h.) for set conditions to be meet.
With the scan tool, read ABS DTCs.
NOTE: The Anti-Lock Brake Module must sense ALL 4 wheels at 12 km/h (7.5 mph) before it will extinguish
the ABS indicators.
Did DTC C101F-RIGHT FRONT WHEEL SPEED COMPARATIVE PERFORMANCE reset?
Yes
>> Replace the Anti-Lock Brakes Module in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Test Complete.
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
LX
C1020–LEFT REAR WHEEL SPEED SENSOR CIRCUIT
For a complete wiring diagram Refer to Section 8W.
LX
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 235
•
When Monitored:
With the ignition on.
•
Set Condition:
If the Left Rear Wheel Speed Sensor circuit fails the diagnostic test.
Possible Causes
WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE
(B4) LEFT REAR WSS 12 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN
(B3) LEFT REAR WSS SIGNAL CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN
(B3) LEFT REAR WSS SIGNAL CIRCUIT SHORTED TO (B4) LEFT REAR WSS 12 VOLT SUPPLY CIRCUIT
LEFT REAR WSS
ANTI-LOCK BRAKES MODULE
Diagnostic Test
1.
CHECK FOR DTC C1020–LEFT REAR WHEEL SPEED SENSOR CIRCUIT
NOTE: This DTC must be active for the results of this test to be valid.
Turn the ignition on.
With the scan tool, record and erase DTCs.
Cycle the ignition switch from off to on.
With the scan tool, read DTCs.
NOTE: The Anti-Lock Brake Module must sense ALL 4 wheels at 12 km/h (7.5 mph) before it will extinguish
the ABS indicators.
Does the scan tool display: C1020–LEFT REAR WHEEL SPEED SENSOR CIRCUIT?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION diagnostic procedure.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
2.
CHECK CONNECTOR/TERMINAL FOR DAMAGE
NOTE: Check all terminals for broken, bent, pushed out, or corroded terminals.
Turn the ignition off.
Inspect the Anti-Lock Brake Module harness connector, Left Rear WSS, and Left Rear WSS harness connector.
Is the Left Rear WSS or any of the connectors/terminals damaged?
Yes
>> Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Go To 3
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
LX
3.
CHECK (B4) LEFT REAR WSS 12 VOLT SUPPLY CIRCUIT VOLTAGE
Disconnect the Left Rear WSS harness connector.
Turn the ignition on.
Measure the voltage of the (B4) Left Rear WSS 12 Volt Supply circuit.
Is the voltage above 10.0 volts?
Yes
>> Go To 6
No
>> Go To 4
4.
CHECK (B4) LEFT REAR WSS 12 VOLT SUPPLY CIRCUIT FOR A SHORT TO GROUND
Turn the ignition off.
Disconnect the Left Rear WSS harness connector.
Disconnect the Anti-Lock Brake Module harness connector.
Using a 12-volt test light connected to 12-volts, probe the (B4) Left
Rear WSS Supply circuit.
Does the test light illuminate brightly?
Yes
>> Repair the (B4) Left Rear WSS Supply circuit for a short to
ground.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 -
BRAKES - STANDARD PROCEDURE).
No
>> Go To 5
LX
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 237
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