Dodge Nitro. Manual - part 693

Set Condition: 

If the panel mode switch is detected in a pushed position for more than 10 minutes. 

Diagnostic Test 

1) VERIFY THE DTC IS STILL ACTIVE 

Turn the ignition on. 

With the scan tool, erase HVAC DTCs. 

Turn the ignition off, wait 10 seconds, and then turn the ignition on. Wait 10 minutes before proceeding. 

With the scan tool, read HVAC DTCs. 

Does the scan tool display this DTC?  

Yes  

Go to 2).  

No  

The condition that caused this symptom is currently not present. Check for an intermittent 
condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken 
wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or 
contaminated terminals. Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 .  

2) CHECK FOR NORMAL PANEL MODE SWITCH & STATUS INDICATOR FUNCTION 

Set the Blower control to any position except Off. 

Set the Mode control to any position except Auto. 

Press the Panel mode switch on and off several times while observing the Panel mode status indicator. 

Does the Panel mode status indicator turn on and off?  

Yes  

Possible Causes 

OBJECT HOLDING PANEL MODE SWITCH IN A PUSHED POSITION
SUBSTANCE CAUSING PANEL MODE SWITCH TO GET STUCK IN A PUSHED POSITION
A/C HEATER CONTROL

 

2007 Dodge Nitro R/T 

2007 HVAC Heating & Air Conditioning - Electrical Diagnostics - Nitro

  

Go to 4).  

No  

Go to 3).  

3) INSPECT FOR OBJECT OR SUBSTANCE CAUSING THE PANEL MODE SWITCH TO 
STAY OR STICK IN A PUSHED POSITION 

Inspect the A/C Heater Control for anything that would cause the Panel mode switch to stay or stick in a 
pushed position. 

Is anything present that would cause the Panel mode switch to stay or stick in a pushed position?  

Yes  

Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

Go to 4).  

4) INSPECT THE A/C HEATER CONTROL FOR DAMAGE 

Inspect the A/C Heater Control for damage. 

Is the A/C Heater Control damaged?  

Yes  

Replace the A/C Heater Control in accordance with the service information.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

Perform BODY VERIFICATION TEST - VER 1 .  

B1009-RECIRCULATION SWITCH REQUEST INPUT CIRCUIT/PERFORMANCE 

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article. 

The switch input changes when the switch is pushed down. A stored DTC indicates that the recirculation switch 
was stuck in a pushed position for more than 10 minutes, but has since returned to its normal state. An active 
DTC indicates that the recirculation switch is stuck in a pushed position. 

When Monitored: 

 

2007 Dodge Nitro R/T 

2007 HVAC Heating & Air Conditioning - Electrical Diagnostics - Nitro

  

With the ignition on. 

Set Condition: 

If the recirculation switch is detected in a pushed position for more than 10 minutes. 

Diagnostic Test 

1) VERIFY THE DTC IS STILL ACTIVE 

Turn the ignition on. 

With the scan tool, erase HVAC DTCs. 

Turn the ignition off, wait 10 seconds, and then turn the ignition on. Wait 10 minutes before proceeding. 

With the scan tool, read HVAC DTCs. 

Does the scan tool display this DTC?  

Yes  

Go to 2).  

No  

The condition that caused this symptom is currently not present. Check for an intermittent 
condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken 
wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or 
contaminated terminals. Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 .  

2) CHECK FOR NORMAL RECIRCULATION SWITCH & STATUS INDICATOR FUNCTION 

Set the Blower control to any position except Off. 

Set the Mode control to any position except Auto. 

Press the Recirculation switch on and off several times while observing the Recirculation status indicator.

Does the Recirculation status indicator turn on and off?

Possible Causes 

OBJECT HOLDING RECIRCULATION SWITCH IN A PUSHED POSITION
SUBSTANCE CAUSING RECIRCULATION SWITCH TO GET STUCK IN A PUSHED POSITION
A/C HEATER CONTROL

 

2007 Dodge Nitro R/T 

2007 HVAC Heating & Air Conditioning - Electrical Diagnostics - Nitro

  

Yes  

Go to 4).  

No  

Go to 3).  

3) INSPECT FOR OBJECT OR SUBSTANCE CAUSING THE RECIRCULATION SWITCH TO 
STAY OR STICK IN A PUSHED POSITION 

Inspect the A/C Heater Control for anything that would cause the Recirculation switch to stay or stick in a 
pushed position. 

Is anything present that would cause the Recirculation switch to stay or stick in a pushed position?  

Yes  

Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

Go to 4).  

4) INSPECT THE A/C HEATER CONTROL FOR DAMAGE 

Inspect the A/C Heater Control for damage. 

Is the A/C Heater Control damaged?  

Yes  

Replace the A/C Heater Control in accordance with the service information.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

Perform BODY VERIFICATION TEST - VER 1 .  

B100C-FLOOR MODE SWITCH REQUEST INPUT CIRCUIT PER 

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article. 

The Floor mode switch input changes when the switch is pushed down. An active DTC indicates that the switch 
is stuck in a pushed position. A stored DTC indicates that the switch was stuck in a pushed position for more 
than two minutes, but has since returned to its normal state.

 

2007 Dodge Nitro R/T 

2007 HVAC Heating & Air Conditioning - Electrical Diagnostics - Nitro