Dodge Nitro. Manual — part 785

Fig. 5: Fused Ignition Switch Output (Run-Start) Circuit Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

2007 Dodge Nitro R/T

2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro

With the ignition on.

Set Condition:

Over current condition detected on the (F1) Fused Ignition Switch Output (Run-Start) circuit.

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 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) INSPECT THE TIPM, PCM, AND SHIFT LEVER ASSEMBLY (NAG1) TERMINALS &
WIRE HARNESS FOR A CONDITION CAUSING HIGH CIRCUIT RESISTANCE

Turn the ignition off.

Disconnect the TIPM C1 harness connector.

Disconnect the PCM C1 harness connector.

Disconnect the Shift Lever Assembly (NAG1) harness connector

Inspect the connector terminals for signs of corrosion build up and damage.

Possible Causes

TERMINAL DAMAGE OR CORROSION
HIGH RESISTANCE ON THE (F1) IGNITION SWITCH OUTPUT (UNLOCK-RUN-START)
CIRCUIT
TIPM

2007 Dodge Nitro R/T

2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro

Visually inspect the wiring harness for any chafed, pierced, pinched or partially broken wires hidden in
the wire insulation.

Were any of the above conditions found?

Yes

Repair as necessary.

Perform BODY VERIFICATION TEST - VER 1 .

No

Replace the TIPM in accordance with the service information

Perform BODY VERIFICATION TEST - VER 1 .

B219F IGNITION OFF DRAW (IOD) FUSE BLOWN

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on. This DTC will only set if vehicle has over 50 miles on it.

Set Condition:

IOD Fuse not installed or blown.

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).

Possible Causes

IOD FUSE NOT INSTALLED
IOD FUSE BLOWN

2007 Dodge Nitro R/T

2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro

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

Verify IOD Fuse installed in TIPM.

Is IOD Fuse present?

Yes

Go to step 3).

No

Replace the IOD Fuse.

Perform BODY VERIFICATION TEST - VER 1 .

3) IOD FUSE BLOWN

Verify IOD Fuse is blown.

Is IOD Fuse blown?

Yes

Using the wiring diagrams, diagnose for a short to ground condition.

Perform BODY VERIFICATION TEST - VER 1 .

No

Test complete.

B2206-CURRENT VIN MISSING/MISMATCH

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on.

Set Condition:

A PCM from another vehicle has been installed in the vehicle.

2007 Dodge Nitro R/T

2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro