Dodge Nitro. Manual - part 695

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 .  

B1015-REAR DEFROST 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 rear defrost 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 rear defrost switch is stuck in a pushed position. 

When Monitored: 

With the ignition on. 

Set Condition: 

If the rear defrost 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).  

Possible Causes 

OBJECT HOLDING REAR DEFROST SWITCH IN A PUSHED POSITION
SUBSTANCE CAUSING REAR DEFROST 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

  

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 REAR DEFROST SWITCH & STATUS INDICATOR FUNCTION 

Set the Blower control to any position except Off. 

Set the Mode control to any position except Auto. 

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

Does the Rear Defrost status indicator turn on and off?  

Yes  

Go to 4).  

No  

Go to 3).  

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

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

Is anything present that would cause the Rear Defrost 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?

 

2007 Dodge Nitro R/T 

2007 HVAC Heating & Air Conditioning - Electrical Diagnostics - Nitro

  

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 .  

B1031-EVAPORATOR FIN TEMPERATURE SENSOR CIRCUIT LOW 

 

2007 Dodge Nitro R/T 

2007 HVAC Heating & Air Conditioning - Electrical Diagnostics - Nitro

  

Fig. 1: Evaporator Fin Temperature Sensor Circuit Schematic 
Courtesy of CHRYSLER LLC 

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article. 

When Monitored: 

 

2007 Dodge Nitro R/T 

2007 HVAC Heating & Air Conditioning - Electrical Diagnostics - Nitro