TEST
ACTION
APPLICABILITY
5
WARNING: DO NOT OPERATE THE DCHA IN AN ENCLOSED AREA SUCH
AS A GARAGE THAT DOES NOT HAVE EXHAUST VENTILATION FACILI-
TIES. ALWAYS VENT THE DCHA’s EXHAUST WHEN OPERATING THE
DCHA. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN
PERSONAL INJURY OR DEATH.
WARNING: ALLOW THE DCHA ASSEMBLY TO COOL BEFORE PERFORM-
ING A COMPONENT INSPECTION/REPAIR/REPLACEMENT. FAILURE TO
FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
Make sure that the Cabin Heater Assist C1 harness connector is connected to the
DCHA.
Connect a suitable voltmeter to the vehicle’s battery. Position the voltmeter where it
can be monitored while operating the DRBIII
t
.
Turn the ignition on.
On MTC, set the Blend control to the max cool position.
On ATC, set the Driver temperature control to LO (max cool).
Turn the ATC’s or MTC’s Power switch off.
Start the engine.
Allow the engine to idle.
Turn the ATC’s or MTC’s Power switch on.
Turn the Blower control to the high speed position.
CAUTION: Do not activate the DCHA Field Mode Test with the engine off.
Failure to follow these instructions may result in internal damage to the
DCHA Heater Module.
NOTE: Do not disconnect the vehicle’s battery or the DCHA’s main power
supply while the DCHA is in operation or in run-down mode. Failure to
follow these instructions may result in excess emissions from the DCHA
during heater operation.
With the DRBIII
t
in Cabin Heater, Systems Tests, select Field Mode and press Enter.
The test will run for approx 8.5 minutes.
On MTC, set the Blend control to the max heat position.
On ATC, set the Driver temperature control to HI (max heat).
With the DRBIII
t
in Sensors, monitor the DCHA Operating Voltage and the
voltmeter while the Field Mode Test is running. Upon completion of the Field Mode
Test proceed as follows:
Turn the Blower control off and turn the ATC’s or MTC’s Power switch off.
Turn the engine off.
Was there more than 1.5 volts difference between Operating & battery voltage during
the test?
All
Yes
→
Repair the high resistance in the Fused B+ circuit.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
No
→
Replace the DCHA Heater Module in accordance with the Service
Information.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
293
CABIN HEATER
B1802 POWER SUPPLY OUT OF RANGE: LOW VOLTAGE THRESHOLD —
Continued
Содержание Caravan 2003
Страница 24: ...NOTES xxiv ...
Страница 64: ...NOTES 40 ...
Страница 65: ...7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 41 ...
Страница 1033: ...8 0 COMPONENT LOCATIONS 8 1 AIRBAG SYSTEM C O M P O N E N T L O C A T I O N S 1009 COMPONENT LOCATIONS ...
Страница 1035: ...8 5 HEATING A C 8 5 1 ACTUATORS FRONT LHD 8 5 2 ACTUATOR FRONT LHD C O M P O N E N T L O C A T I O N S 1011 COMPONENT LOCATIONS ...
Страница 1036: ...8 5 3 ACTUATORS FRONT RHD C O M P O N E N T L O C A T I O N S 1012 COMPONENT LOCATIONS 8 5 HEATING A C Continued ...
Страница 1037: ...8 5 4 ACTUATOR FRONT RHD 8 5 5 EVAPORATOR TEMPERATURE SENSOR LHD C O M P O N E N T L O C A T I O N S 1013 COMPONENT LOCATIONS ...
Страница 1039: ...8 5 8 ACTUATORS REAR 8 5 9 REAR A C HEATER UNIT CONNECTOR C O M P O N E N T L O C A T I O N S 1015 COMPONENT LOCATIONS ...
Страница 1043: ...8 9 POWER FOLDING MIRRORS 8 10 POWER LIFTGATE SYSTEM 8 10 1 MODULE C O M P O N E N T L O C A T I O N S 1019 COMPONENT LOCATIONS ...
Страница 1080: ...C O N N E C T O R P I N O U T S 1056 CONNECTOR PINOUTS ...
Страница 1117: ...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 1093 SCHEMATIC DIAGRAMS ...
Страница 1118: ...10 2 AUDIO SYSTEM 10 2 1 PREMIUM AUDIO SYSTEM S C H E M A T I C D I A G R A M S 1094 SCHEMATIC DIAGRAMS ...
Страница 1119: ...10 2 2 BASE AUDIO SYSTEM S C H E M A T I C D I A G R A M S 1095 SCHEMATIC DIAGRAMS ...
Страница 1123: ...10 3 3 FRONT ATC RHD S C H E M A T I C D I A G R A M S 1099 SCHEMATIC DIAGRAMS ...
Страница 1125: ...10 4 COMMUNICATION S C H E M A T I C D I A G R A M S 1101 SCHEMATIC DIAGRAMS ...
Страница 1127: ...10 4 3 ECM CABIN HEATER ASSIST COMMUNICATION DIESEL ONLY S C H E M A T I C D I A G R A M S 1103 SCHEMATIC DIAGRAMS ...
Страница 1128: ...10 5 DOOR AJAR SYSTEM 10 5 1 DOOR AJAR SYSTEM WITH POWER SLIDING DOORS S C H E M A T I C D I A G R A M S 1104 SCHEMATIC DIAGRAMS ...
Страница 1129: ...10 5 2 DOOR AJAR WITHOUT POWER SLIDING DOORS S C H E M A T I C D I A G R A M S 1105 SCHEMATIC DIAGRAMS ...
Страница 1130: ...10 6 EXTERIOR LIGHTING S C H E M A T I C D I A G R A M S 1106 SCHEMATIC DIAGRAMS ...
Страница 1131: ...10 7 IGNITION POWER ACCESSORY 10 7 1 HORN SYSTEM S C H E M A T I C D I A G R A M S 1107 SCHEMATIC DIAGRAMS ...
Страница 1132: ...10 7 2 IGNITION SWITCH S C H E M A T I C D I A G R A M S 1108 SCHEMATIC DIAGRAMS 10 7 IGNITION POWER ACCESSORY Continued ...
Страница 1133: ...10 7 3 INTEGRATED POWER MODULE BODY CONTROL MODULE POWER AND GROUNDS S C H E M A T I C D I A G R A M S 1109 SCHEMATIC DIAGRAMS ...
Страница 1134: ...10 8 INSTRUMENT CLUSTER 10 8 1 INSTRUMENT CLUSTER BASE S C H E M A T I C D I A G R A M S 1110 SCHEMATIC DIAGRAMS ...
Страница 1135: ...10 8 2 INSTRUMENT CLUSTER MESSAGE CENTER S C H E M A T I C D I A G R A M S 1111 SCHEMATIC DIAGRAMS ...
Страница 1136: ...10 9 INTERIOR LIGHTING S C H E M A T I C D I A G R A M S 1112 SCHEMATIC DIAGRAMS ...
Страница 1141: ...10 10 5 THREE ZONE REAR MANUAL TEMPERATURE CONTROL SYSTEM S C H E M A T I C D I A G R A M S 1117 SCHEMATIC DIAGRAMS ...
Страница 1142: ...10 10 6 FRONT BLOWER MOTOR S C H E M A T I C D I A G R A M S 1118 SCHEMATIC DIAGRAMS 10 10 MANUAL TEMPERATURE CONTROLS Continued ...
Страница 1143: ...10 10 7 REAR BLOWER MOTOR S C H E M A T I C D I A G R A M S 1119 SCHEMATIC DIAGRAMS ...
Страница 1145: ...10 11 MEMORY SYSTEM S C H E M A T I C D I A G R A M S 1121 SCHEMATIC DIAGRAMS ...
Страница 1146: ...10 12 OVERHEAD CONSOLE S C H E M A T I C D I A G R A M S 1122 SCHEMATIC DIAGRAMS ...
Страница 1147: ...10 13 POWER DOOR LOCKS RKE S C H E M A T I C D I A G R A M S 1123 SCHEMATIC DIAGRAMS ...
Страница 1148: ...10 14 POWER FOLDING MIRROR LHD EXPORT ONLY S C H E M A T I C D I A G R A M S 1124 SCHEMATIC DIAGRAMS ...
Страница 1149: ...10 15 POWER FOLDING MIRROR RHD EXPORT ONLY S C H E M A T I C D I A G R A M S 1125 SCHEMATIC DIAGRAMS ...
Страница 1150: ...10 16 POWER LIFTGATE SYSTEM S C H E M A T I C D I A G R A M S 1126 SCHEMATIC DIAGRAMS ...
Страница 1151: ...10 17 POWER SLIDING DOOR SYSTEM 10 17 1 LEFT POWER SLIDING DOOR S C H E M A T I C D I A G R A M S 1127 SCHEMATIC DIAGRAMS ...
Страница 1153: ...10 18 POWER SLIDING DOOR AND LIFTGATE SWITCHES S C H E M A T I C D I A G R A M S 1129 SCHEMATIC DIAGRAMS ...
Страница 1154: ...10 19 REAR DEFOG HEATED MIRROR FRONT WIPER DE ICE S C H E M A T I C D I A G R A M S 1130 SCHEMATIC DIAGRAMS ...
Страница 1155: ...10 20 VEHICLE THEFT SECURITY SYSTEM S C H E M A T I C D I A G R A M S 1131 SCHEMATIC DIAGRAMS ...
Страница 1157: ...10 21 WIPERS FRONT AND REAR S C H E M A T I C D I A G R A M S 1133 SCHEMATIC DIAGRAMS ...
Страница 1158: ...NOTES 1134 ...
Страница 1159: ...11 0 CHARTS AND GRAPHS 11 1 KDB LAB SCOPE PATTERN C H A R T S A N D G R A P H S 1135 CHARTS AND GRAPHS ...
Страница 1160: ...11 2 PCI BUS LAB SCOPE PATTERN C H A R T S A N D G R A P H S 1136 CHARTS AND GRAPHS ...