Dodge Nitro. Manual — part 188

If the calculated checksum does not match the stored checksum.

Diagnostic Test

1) INITIALIZE ANTI-LOCK BRAKES MODULE

Initialize ECU refer to ABS VERIFICATION TEST.

Does this DTC reset?

Yes

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

Perform ABS VERIFICATION TEST.

No

Test complete.

C123B-ESP SYSTEM CONTROL TOO LONG

Possible Causes

ANTI-LOCK BRAKES MODULE

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 47: Dynamics Sensor Circuit Schematic
Courtesy of CHRYSLER LLC

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

When the Anti-Lock Brake Module indicates ESP control lasting longer the 15 seconds.

Diagnostic Test

1) VERIFY DTC IS ACTIVE

Turn the ignition on.

With the scan tool, read and record ABS DTCs.

With the scan tool, read and record Environmental Data (EV Data).

With the scan tool, erase ABS DTCs.

Cycle the ignition switch.

Test drive the vehicle by turning the vehicle left or right in a curving manner at a velocity between 10 and
20 km/h (6 and 12 mph).

Park the vehicle.

With the scan tool, read ABS DTCs.

Does this DTC reset?

Yes

Go to 2).

No

Perform the ABS INTERMITTENT CONDITION diagnostic procedure.

2) CHECK HYDRAULIC SYSTEM & BRAKE SYSTEM COMPONENT INSTALLATION &

Possible Causes

HYDRAULIC/BRAKE ISSUE
DYNAMICS SENSOR
INTEGRATED CONTROL MODULE

NOTE:

If other DTC's are set they must be repaired before continuing. This DTC
must be active for the results of this test to be valid and this DTC may set
while driving under excessive driving conditions.

WARNING:

Ensure brake capability is available before road testing.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

FUNCTION

Verify that the Anti-Lock Brakes Module and Hydraulic Control Unit are properly installed.

Verify that the hydraulic system is properly filled and bled.

Verify that the brake system components are installed and functioning properly.

Were any problems found?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Replace the Dynamics Sensor in accordance with the Service Information.

Perform ABS VERIFICATION TEST.

C123C-DYNAMICS SENSOR MOUNTING/INSTALLATION PERFORMANCE

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro