Dodge Durango (HB). Manual — part 120

C2105-ABS VALVE SUPPLY VOLTAGE CIRCUIT LOW

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BRAKES - ABS ELECTRICAL DIAGNOSTICS

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C2105-ABS VALVE SUPPLY VOLTAGE CIRCUIT LOW (CONTINUED)

For the ABS circuit diagram (Refer to 5 - BRAKES - SCHEMATICS AND DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
Continuously.

•

Set Condition:
The monitor function test the supply voltage of the valves via the valve feedback lines. If three or more valve
response falts occur simultaneously, a DTC is set.

Possible Causes

LOW VOLTAGE AT THE ABM

ABM INTERNAL

Diagnostic Test

1.

LOW VOLTAGE AT THE ABM

With the scan tool read battery voltage and ignition voltage in the ABM
and compare the two reading to actual battery voltage from a voltme-
ter.

NOTE: Battery must be fully charged.

Are all readings within a half of volt?

Yes

>> Replace the ABM per service information.

Perform ABS VERIFICATION TEST — VER 1.

No

>> Go To 2

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BRAKES - ABS ELECTRICAL DIAGNOSTICS

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C2105-ABS VALVE SUPPLY VOLTAGE CIRCUIT LOW (CONTINUED)

2.

ABM INTERNAL

Turn key off.

Disconnect the ABM harness connector.

NOTE: Check connector - Clean/repair as necessary.
Turn key on, engine off.

With a test light check (A107) Fused B+, (A111) Fused B+ and (F500)
Fused ignition switch output.

Is test light bright like when connected to the battery?

Yes

>> Replace the ABM per service information.

Perform ABS VERIFICATION TEST — VER 1.

No

>> Repair the high resistance in the circuits.

Perform ABS VERIFICATION TEST — VER 1.

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BRAKES - ABS ELECTRICAL DIAGNOSTICS

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C2200-ANTI—LOCK BRAKE MODULE INTERNAL

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BRAKES - ABS ELECTRICAL DIAGNOSTICS

HB