Dodge Ram Truck 1500-2500-3500. Manual — part 162

REAR SENSOR OPEN — 35 (CONTINUED)

3.

TONE WHEEL DAMAGED/MISSING

Inspect the Tone Wheel in accordance with the Service Information.

NOTE: The Tone Wheel Teeth should be perfectly square, not bent or nicked.

Were any problems found?

Yes

>> Replace the Tone Wheel in accordance with the Service Information.

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

No

>> Go To 4

4.

EXCESSIVE WHEEL SPEED SENSOR AIR GAP

Measure the Wheel Speed Sensor Air Gap in accordance with the Service Information.

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

>> Go To 5

5.

WHEEL BEARING/REAR DIFFERENTIAL

Inspect the wheel bearings for excessive run out or improper clearance in accordance with the Service Information.

Ensure the Rear Differential is operating properly. Refer to the Service Information.

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

>> Go To 6

6.

REAR WHEEL SPEED SENSOR (+) CIRCUIT SHORTED TO
GROUND

Turn the ignition off.

Disconnect the Rear Wheel Speed Sensor harness connector.

Disconnect the Controller Anti-lock Brake harness connector.

NOTE: Check connector - Clean/repair as necessary.
Measure the resistance between the Rear Wheel Speed Sensor (+)
circuit and ground.

Is the resistance above 5.0 ohms?

Yes

>> Go To 7

No

>> Repair the Rear Wheel Speed Sensor (+) circuit for a

short to ground.

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

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BRAKES - ABS - ELECTRICAL DIAGNOSTICS

DR/DH

REAR SENSOR OPEN — 35 (CONTINUED)

7.

REAR WHEEL SPEED SENSOR (-) CIRCUIT SHORTED TO GROUND

Measure the resistance between the Rear Wheel Speed Sensor (-) cir-
cuit and ground.

Is the resistance above 5.0 ohms?

Yes

>> Go To 8

No

>> Repair the Rear Wheel Speed Sensor (-) circuit for a short

to ground.

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

8.

REAR WHEEL SPEED SENSOR (+) CIRCUIT OPEN

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

Is the resistance below 5.0 ohms?

Yes

>> Go To 9

No

>> Repair the open Rear Wheel Speed Sensor (+) circuit.

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

DR/DH

BRAKES - ABS - ELECTRICAL DIAGNOSTICS

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REAR SENSOR OPEN — 35 (CONTINUED)

9.

REAR WHEEL SPEED SENSOR (-) CIRCUIT OPEN

Measure the resistance of the Rear Wheel Speed Sensor (-) circuit.

Is the resistance below 5.0 ohms?

Yes

>> Go To 10

No

>> Repair the open Rear Wheel Speed Sensor (-) circuit.

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

10.

REAR WHEEL SPEED SENSOR

Turn the ignition off.

Connect the Rear Wheel Speed Sensor harness connector.

Measure the resistance between the Rear Wheel Speed Sensor (+) circuit and Rear 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 Rear 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)

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BRAKES - ABS - ELECTRICAL DIAGNOSTICS

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REAR SENSOR OPEN — 35 (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.

DR/DH

BRAKES - ABS - ELECTRICAL DIAGNOSTICS

5 - 79