Dodge Nitro. Manual — part 192

Park the vehicle.

With the scan tool, read ABS DTCs.

Does this DTC reset?

Yes

Replace the Dynamics Sensor or Anti-Lock Brake Module in accordance with the Service
Information.

Perform ABS VERIFICATION TEST.

No

Perform the ABS INTERMITTENT CONDITION procedure.

C2100-BATTERY VOLTAGE LOW

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on.

Set Condition:

If the Anti-Lock Brakes Module detects system voltage is below 9.5 volts.

Diagnostic Test

1) DTCS IN THE PCM

Turn the ignition on.

With the scan tool, read and record DTCs from the PCM.

NOTE:

Vehicles without a Dynamics Sensor replace Anti-Lock Brake
Module.

Possible Causes

ECM OR PCM DTCs PRESENT
VEHICLE BATTERY/CHARGING SYSTEM
ANTI-LOCK BRAKES MODULE

NOTE:

This DTC must be active for the results of this test to be valid.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

With the scan tool, read and record Freeze Frame information.

With the scan tool, erase DTCs.

Start the engine.

With the scan tool, read and record DTCs.

With the scan tool read DTCs from the PCM.

Are any charging system codes present?

Yes

Repair the charging system DTC in the PCM.

Perform ABS VERIFICATION TEST.

No

Go to 2).

2) CHARGING SYSTEM FAILURE

Start the engine.

Connect voltmeter to vehicle battery.

Is the vehicle battery voltage under 8.2 volts?

No

Perform the ABS INTERMITTENT CONDITION procedure.

Yes

Repair the charging system per service information.

Perform ABS VERIFICATION TEST.

C2101-BATTERY VOLTAGE HIGH

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on.

Set Condition:

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

If the Anti-Lock Brakes Module detects system voltage is above 17 volts.

Diagnostic Test

Turn the ignition on.

With the scan tool, read and record DTCs from the ECM/PCM.

With the scan tool, read and record Freeze Frame information.

With the scan tool, erase DTCs.

Start the engine.

With the scan tool, read and record DTCs.

With the scan tool read DTCs from the PCM.

Are any charging system codes present?

Yes

Repair the charging system DTC in the ECM/PCM.

Perform POWERTRAIN VERIFICATION TEST .

No

Go to 2).

2) CHARGING SYSTEM FAILURE

Start the engine.

Connect voltmeter to vehicle battery.

Is the vehicle battery voltage over 16.8 volts?

No

Possible Causes

ECM/PCM DTCs PRESENT
VEHICLE BATTERY/CHARGING SYSTEM
ANTI-LOCK BRAKES MODULE

NOTE:

This DTC must be active for the results of this test to be valid.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Go to 3).

Yes

Repair the charging system per service information.

Perform ABS VERIFICATION TEST.

3) CHARGING POWER SUPPLY VOLTAGE

With a scan tool read Power Supply Voltage.

Is Power Supply Voltage over 16.8 volts?

No

Perform the ABS INTERMITTENT CONDITION procedure.

Refer to the .

Yes

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

Perform ABS VERIFICATION TEST.

C2111-SENSOR SUPPLY 1 VOLTAGE CIRCUIT LOW

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on.

Set Condition:

If the Anti-Lock Brakes Module detects that the supply voltage for external analog sensors is out of
range.

Diagnostic Test

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

Turn the ignition off.

Possible Causes

ANTI-LOCK BRAKES MODULE
HYDRAULIC CONTROL UNIT (PRESSURE SENSOR)

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro