Dodge Nitro. Manual — part 198

Repair the (A107) Fused B(+) circuit for a short to ground.

Perform ABS VERIFICATION TEST.

No

Go to 5).

5) CHECK (A107) FUSED B(+) CIRCUIT FOR AN OPEN OR HIGH RESISTANCE

Fig. 57: Probing (A107) Fused B+ Circuit
Courtesy of CHRYSLER LLC

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Replace the ABS Pump Motor fuse.

Using a 12-volt test light connected to ground, probe the (A107) Fused B(+) circuit.

Does the test light illuminate brightly?

Yes

Go to 6).

No

Repair the (A107) Fused B(+) circuit for an open or high resistance.

Perform ABS VERIFICATION TEST.

6) CHECK (Z127) OR (Z107) GROUND CIRCUIT FOR AN OPEN OR HIGH RESISTANCE

NOTE:

The test light should illuminate brightly. Compare the brightness to that of
a direct connection to the battery.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 58: Probing (Z127) And (Z107) Ground Circuit
Courtesy of CHRYSLER LLC

Using a 12-volt test light connected to 12 volts, probe the (Z127) and (Z107) Ground circuit.

Does the test light illuminate brightly on both circuits?

Yes

NOTE:

The test light should illuminate brightly. Compare the brightness to that of
a direct connection to the battery.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Go to 7).

No

Repair (Z127) or (Z107) circuit for an open or high resistance.

Perform ABS VERIFICATION TEST.

7) REPLACE ANTI-LOCK BRAKES MODULE & VERIFY IF DTC IS STILL ACTIVE

Replace the Anti-Lock Brakes Module in accordance with the Service Information.

Perform ABS VERIFICATION TEST.

Turn the ignition on.

With the scan tool, read ABS DTCs.

Does this DTC reset?

Yes

Replace the Hydraulic Control Unit in accordance with the Service Information.

Perform ABS VERIFICATION TEST.

No

Perform the ABS INTERMITTENT CONDITION diagnostic procedure.

C2200-ANTI-LOCK BRAKE MODULE INTERNAL

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

Ignition on. The Anti-Lock Brake Module monitors its internal microprocessors for correct operation.

Set Condition:

If the Anti-lock brake module detects an internal fault, the DTC is set.

Diagnostic Test

1) ABM INTERNAL FAILURE DTC PRESENT

Possible Causes

ABM - INTERNAL FAULT

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro