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Symptom:
REFRIG PRESS SENSOR SHORTED LOW (ACTIVE)
POSSIBLE CAUSES
REFRIGERANT PRESSURE SENSOR
5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND CIRCUIT
5 VOLT SUPPLY CIRCUIT SHORTED TO SENSOR GROUND CIRCUIT
REFRIGERANT PRESSURE SENSOR FEEDBACK CIRCUIT SHORTED TO GROUND
REFRIGERANT PRESSURE SENSOR FEEDBACK CIRCUIT SHORTED TO GROUND CIRCUIT
REFRIGERANT PRESSURE SENSOR FEEDBACK CIRCUIT SHORTED TO SENSOR GROUND
CIRCUIT
AUTOMATIC TEMPERATURE CONTROL (ATC)
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the Refrigerant Pressure Sensor harness connector.
NOTE: All of the following criteria must be met in order to successfully run
the ATC Function Test.
Place the shift lever in Park.
Turn the ignition on.
With the DRBIII
t
, record and erase ATC DTC’s.
Start the engine. Allow the engine to reach normal operating temperature.
Set the blower to high speed.
Press the Air Conditioning switch On.
With the DRBIII
t
, verify that the ambient temperature is above 59°F (15°C), the
refrigerant pressure is between 29 and 348 PSI (2 and 24 bar), the evaporator
temperature is above 36.5°F (2.5°C), and the coolant temperature is above 158°F
(70°C).
With the DRBIII
t
in Automatic Temperature Control (ATC), select System Tests and
select ATC Function Test. When the ATC Function Test is complete, proceed as
follows:
With the DRBIII
t
, read the active ATC DTCs.
Does the DRBIII
t
display: REFRIG PRESS SENSOR SHORTED LOW?
All
Yes
→
No
→
Replace the Refrigerant Pressure Sensor in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Automatic Temperature Control (ATC) C1 harness connector.
Measure the resistance between ground and the 5 Volt Supply circuit.
Is the resistance below 10k ohms?
All
Yes
→
Repair the 5 Volt Supply circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→
171
HEATING & A/C
Содержание Sprinter 2003
Страница 8: ...NOTES viii ...
Страница 22: ...NOTES 14 ...
Страница 23: ...7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 15 ...
Страница 255: ...8 9 3 SWITCHES 8 9 4 SIREN C O M P O N E N T L O C A T I O N S 247 COMPONENT LOCATIONS ...
Страница 256: ...NOTES 248 ...
Страница 267: ...C O N N E C T O R P I N O U T S 259 CONNECTOR PINOUTS ...
Страница 273: ...C O N N E C T O R P I N O U T S 265 CONNECTOR PINOUTS ...
Страница 280: ...NOTES 272 ...
Страница 281: ...10 0 SCHEMATIC DIAGRAMS 10 1 AIRBAG SYSTEM S C H E M A T I C D I A G R A M S 273 SCHEMATIC DIAGRAMS ...
Страница 282: ...10 2 COMMUNICATION 10 2 1 COMMUNICATION K LINES S C H E M A T I C D I A G R A M S 274 SCHEMATIC DIAGRAMS ...
Страница 283: ...10 2 2 CAN BUS NETWORK S C H E M A T I C D I A G R A M S 275 SCHEMATIC DIAGRAMS ...
Страница 284: ...10 3 HEATING A C 10 3 1 AUTOMATIC TEMPERATURE CONTROL ATC S C H E M A T I C D I A G R A M S 276 SCHEMATIC DIAGRAMS ...
Страница 285: ...10 3 2 CABIN HEATER MODULE CHM S C H E M A T I C D I A G R A M S 277 SCHEMATIC DIAGRAMS ...
Страница 286: ...10 3 3 HEATER BOOSTER MODULE HBM S C H E M A T I C D I A G R A M S 278 SCHEMATIC DIAGRAMS 10 3 HEATING A C Continued ...
Страница 287: ...10 4 INSTRUMENT CLUSTER S C H E M A T I C D I A G R A M S 279 SCHEMATIC DIAGRAMS ...
Страница 288: ...10 5 POWER DOOR LOCKS RKE 10 5 1 FRONT DOORS S C H E M A T I C D I A G R A M S 280 SCHEMATIC DIAGRAMS ...
Страница 289: ...10 5 2 SLIDING AND REAR DOORS S C H E M A T I C D I A G R A M S 281 SCHEMATIC DIAGRAMS ...
Страница 291: ...10 6 VEHICLE THEFT SECURITY SYSTEM S C H E M A T I C D I A G R A M S 283 SCHEMATIC DIAGRAMS ...
Страница 292: ...NOTES 284 ...
Страница 294: ...NOTES 286 ...
Страница 296: ...Dealer Technical Operations 800 Chrysler Drive CIMS 486 02 76 Auburn Hills MI 48326 2757 ...