Dodge Ram Truck 1500-2500-3500. Manual — part 165

RIGHT FRONT SENSOR OPEN — 21 (CONTINUED)

7.

RIGHT FRONT WHEEL SPEED SENSOR (-) CIRCUIT SHORTED TO GROUND

Measure the resistance between the Right Front Wheel Speed Sensor
(-) circuit and ground.

Is the resistance above 5.0 ohms?

Yes

>> Go To 8

No

>> Repair the Right Front Wheel Speed Sensor (-) circuit for

a short to ground.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 -
BRAKES/ELECTRICAL - DIAGNOSIS AND TESTING)

8.

RIGHT FRONT WHEEL SPEED SENSOR (+) CIRCUIT OPEN

Measure the resistance of the Right Front Wheel Speed Sensor (+)
circuit.

Is the resistance below 5.0 ohms?

Yes

>> Go To 9

No

>> Repair the open Right Front Wheel Speed Sensor (+) cir-

cuit.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 -
BRAKES/ELECTRICAL - DIAGNOSIS AND TESTING)

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BRAKES - ABS - ELECTRICAL DIAGNOSTICS

DR/DH

RIGHT FRONT SENSOR OPEN — 21 (CONTINUED)

9.

RIGHT FRONT WHEEL SPEED SENSOR (-) CIRCUIT OPEN

Measure the resistance of the Right Front Wheel Speed Sensor (-) cir-
cuit.

Is the resistance below 5.0 ohms?

Yes

>> Go To 10

No

>> Repair the open Right Front Wheel Speed Sensor (-) cir-

cuit.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 -
BRAKES/ELECTRICAL - DIAGNOSIS AND TESTING)

10.

RIGHT FRONT WHEEL SPEED SENSOR

Turn the ignition off.

Connect the Right Front Wheel Speed Sensor harness connector.

Measure the resistance between the Right Front Wheel Speed Sensor (+) circuit and Right Front Wheel Speed
Sensor (-) circuit at the Controller Anti-lock Brake harness connector.

NOTE: The resistance should be approximately 1600–2300 ohms at 76 degrees F.

Is the resistance within the noted range?

Yes

>> Go to 11

No

>> Replace the Right Front Wheel Speed Sensor in accordance with the Service Information.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

11.

CONTROLLER ANTI-LOCK BRAKE

Turn the ignition off.

Inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.

Inspect the related wire harness connectors. Look for broken, bent, pushed out, or corroded terminals.

Refer to any Technical Service Bulletins that may apply.

Were any problems found?

Yes

>> Repair as necessary in accordance with the Service Information.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

No

>> Replace the Controller Anti-lock Brake in accordance with the Service Information.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

DR/DH

BRAKES - ABS - ELECTRICAL DIAGNOSTICS

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RIGHT FRONT SENSOR OPEN — 21 (CONTINUED)

12.

WIRING HARNESS INSPECTION

Turn the ignition off.

NOTE: Towing the vehicle with ignition ON may set this DTC.
Inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.

Inspect the related wire harness connectors. Look for broken, bent, pushed out, or corroded terminals.

Refer to any Technical Service Bulletins that may apply.

Were any problems found?

Yes

>> Repair as necessary in accordance with the Service Information.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

No

>> Test Complete.

5 - 90

BRAKES - ABS - ELECTRICAL DIAGNOSTICS

DR/DH

RIGHT FRONT SENSOR SHORTED — 91

DR/DH

BRAKES - ABS - ELECTRICAL DIAGNOSTICS

5 - 91