Dodge Nitro. Manual - part 784

With the ignition on. 

Set Condition: 

Battery voltage less than 9 volts for approximately 5 to 6 seconds. 

Diagnostic Test 

1) CHECK FOR ANY POWERTRAIN CONTROL MODULES DTCS 

Turn the ignition on. 

With the scan tool, read active PCM DTC's. 

Does the scan tool display any active PCM DTC's?  

Yes  

Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure  

No  

Check the above conditions that can cause a low voltage condition. Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 .  

B210E-BATTERY VOLTAGE HIGH 

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

Possible Causes 

GENERATOR OPERATION
PCM

NOTE:

Make sure the Battery is in good condition. Using the Midtronics Battery 
Tester, test the Battery before continuing.

NOTE:

Inspect the vehicle for after market accessories that may exceed the 
Generator System output.

NOTE:

Make sure the generator drive belt is in good operating condition.

NOTE:

Inspect the fuses in the TIPM. If an open fuse is found, use the wire 
diagram/schematic as a guide, inspect the wiring and connectors for 
damage.

 

2007 Dodge Nitro R/T 

2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro

  

When Monitored: 

With the ignition on. 

Set Condition: 

Battery voltage greater than 16 volts for approximately 15 seconds. 

Diagnostic Test 

1) CHECK FOR ANY POWERTRAIN CONTROL MODULES DTCS 

Turn the ignition on. 

With the scan tool, read active PCM DTC's. 

Does the scan tool display any active PCM DTC's?  

Yes  

Refer to the appropriate Engine ELECTRICAL DIAGNOSTICS article for the diagnostic test 
procedure  

No  

Check the above conditions that can cause a high voltage condition. Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 . 

Possible Causes 

GENERATOR
PCM

NOTE:

Make sure the Battery is in good condition. Using the Midtronics Battery 
Tester, test the Battery before continuing.

NOTE:

Inspect the vehicle for after market accessories that may exceed the 
Generator System output.

NOTE:

Make sure the generator drive belt is in good operating condition.

NOTE:

Inspect the fuses in the TIPM. If an open fuse is found, use the wire 
diagram/schematic as a guide, inspect the wiring and connectors for 
damage.

 

2007 Dodge Nitro R/T 

2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro

  

B2142 IGNITION OFF DRAW (IOD) FUSE NOT PRESENT

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article. 

When Monitored: 

With the Ignition on. This DTC will set only if vehicle has less that 50 miles on it. After 50 miles, DTC 
B219F will set. 

Set Condition: 

IOD Fuse not installed in the TIPM. 

Diagnostic Test 

1) CHECK FOR ACTIVE DTC 

With the scan tool, record and erase DTC's. 

Cycle the ignition switch from off to on, leaving the ignition off for a minimum of 30 seconds. 

With the scan tool, read the active DTC's. 

Does the scan tool display this DTC as active?  

Yes  

Go to step 2).  

No  

If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a 
guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or 
corroded terminals.  

2) IOD FUSE INSTALLED 

Verify IOD Fuse installed in TIPM 

Is IOD Fuse present?  

Yes  

Go to step 3).  

Possible Causes 

IOD FUSE

 

2007 Dodge Nitro R/T 

2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro

  

No  

Install the IOD Fuse.  

Perform BODY VERIFICATION TEST - VER 1 .  

3) IOD FUSE BLOWN CHECK 

Is IOD Fuse blown?  

Yes  

Replace the IOD Fuse.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

Test complete.  

B219A-IGNITION UNLOCK RUN/START CONTROL CIRCUIT OVERCURRENT

 

2007 Dodge Nitro R/T 

2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro