Symptom:
CIRC PUMP CONTROL HIGH OR OPEN (ACTIVE)
POSSIBLE CAUSES
CIRCULATION PUMP
CIRCULATION PUMP CONTROL CIRCUIT SHORTED TO VOLTAGE
AUTOMATIC TEMPERATURE CONTROL (ATC)
CIRCULATION PUMP CONTROL CIRCUIT OPEN
GROUND CIRCUIT OPEN
AUTOMATIC TEMPERATURE CONTROL (ATC)
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Press the Residual Engine Heat Utilization (REST) switch off.
NOTE: Check connectors - Clean/repair as necessary.
Disconnect the Circulation Pump harness connector.
Connect a 12-volt test light between the Circulation Pump Control circuit and the
Ground circuit in the Circulation Pump harness connector. The test light should
operate as follows:
With the Residual Engine Heat Utilization (REST) switch off, the test light should
not illuminate.
Press the Residual Engine Heat Utilization (REST) switch on. The test light should
illuminate brightly.
Does the test light function as specified?
All
Yes, Light Only Illuminates With REST On
Replace the Circulation Pump in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No, Light Illuminates With REST Off
No, Light Will Not Illuminate
2
Turn the ignition off.
NOTE: Check connectors - Clean/repair as necessary.
Disconnect the Circulation Pump harness connector.
Disconnect the Automatic Temperature Control (ATC) C1 harness connector.
Turn the ignition on.
Measure the voltage of the Circulation Pump Control circuit.
Is the voltage above 0.2 volts?
All
Yes
→
Repair the Circulation Pump Control circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Replace the Automatic Temperature Control (ATC) in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
150
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 ...