Symptom:
EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (AC-
TIVE)
When Monitored and Set Condition:
EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (ACTIVE)
When Monitored:
With the ignition on.
Set Condition:
This DTC will set if the A/C - Heater Control Module sees voltage below
0.06 volts on the Evaporator Temperature Sensor Signal circuit.
POSSIBLE CAUSES
EVAPORATOR TEMPERATURE SENSOR
EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO SENSOR GROUND
CIRCUIT
A/C - HEATER CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the Evaporator Temperature Sensor harness connector.
Turn the ignition on.
With the DRBIII
t
in Sensor Display, read the Evaporator Temperature Sensor
voltage.
Does the DRBIII
t
display: 4.9 volts or greater?
All
Yes
→
Replace the Evaporator Temperature Sensor in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
2
2
Turn the ignition off.
Disconnect the A/C - Heater Control Module C1 harness connector.
Disconnect the Evaporator Temperature Sensor harness connector.
Measure the resistance between ground and the Evaporator Temperature Sensor
Signal circuit.
Is the resistance above 10K ohms?
All
Yes
→
Go To
3
No
→
Repair the Evaporator Temperature Sensor Signal circuit for a
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
392
HEATING & A/C
Summary of Contents for Ram 2004
Page 14: ...NOTES xiv...
Page 35: ...7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 21...
Page 570: ...NOTES 556...
Page 574: ...NOTES 560...
Page 596: ...C O N N E C T O R P I N O U T S 582 CONNECTOR PINOUTS...
Page 600: ...C O N N E C T O R P I N O U T S 586 CONNECTOR PINOUTS...
Page 602: ...C O N N E C T O R P I N O U T S 588 CONNECTOR PINOUTS...
Page 603: ...C O N N E C T O R P I N O U T S 589 CONNECTOR PINOUTS...
Page 613: ...C O N N E C T O R P I N O U T S 599 CONNECTOR PINOUTS...
Page 621: ...10 2 2 BASE AUDIO SYSTEM S C H E M A T I C D I A G R A M S 607 SCHEMATIC DIAGRAMS...
Page 625: ...10 3 4 ECM COMMUNICATION DIESEL S C H E M A T I C D I A G R A M S 611 SCHEMATIC DIAGRAMS...
Page 626: ...10 4 DOOR AJAR SYSTEM S C H E M A T I C D I A G R A M S 612 SCHEMATIC DIAGRAMS...
Page 629: ...10 6 EXTERIOR LIGHTS S C H E M A T I C D I A G R A M S 615 SCHEMATIC DIAGRAMS...
Page 630: ...10 7 HEATING A C SYSTEM S C H E M A T I C D I A G R A M S 616 SCHEMATIC DIAGRAMS...
Page 632: ...10 9 INSTRUMENT CLUSTER S C H E M A T I C D I A G R A M S 618 SCHEMATIC DIAGRAMS...
Page 633: ...10 10 OVERHEAD CONSOLE S C H E M A T I C D I A G R A M S 619 SCHEMATIC DIAGRAMS...
Page 634: ...10 11 POWER DOOR LOCKS S C H E M A T I C D I A G R A M S 620 SCHEMATIC DIAGRAMS...
Page 636: ...10 13 VEHICLE THEFT SECURITY SYSTEM S C H E M A T I C D I A G R A M S 622 SCHEMATIC DIAGRAMS...
Page 637: ...10 14 WIPERS S C H E M A T I C D I A G R A M S 623 SCHEMATIC DIAGRAMS...
Page 638: ...NOTES 624...
Page 640: ...NOTES 626...
Page 642: ...Dealer Technical Operations 800 Chrysler Drive CIMS 486 02 76 Auburn Hills MI 48326 2757...
