![Chrysler Caravan 2003 Owner'S Manual Download Page 7](http://html1.mh-extra.com/html/chrysler/caravan-2003/caravan-2003_owners-manual_2606144007.webp)
TABLE OF CONTENTS - Continued
PASS BLEND DOOR TRAVEL TOO LARGE (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . .237
PASS BLEND DOOR TRAVEL TOO SMALL (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . .238
PCI BUS SHORTED HIGH (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240
PCI BUS SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240
REAR BLEND DOOR NOT RESPONDING (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . .241
REAR BLEND DOOR TRAVEL TOO LARGE (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . .243
REAR BLEND DOOR TRAVEL TOO SMALL (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . .244
REAR FAN POT OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245
REAR FAN POT SHORTED (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245
REAR MODE POT OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245
REAR MODE POT SHORTED (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245
REAR KEYBOARD FAULT (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .246
REAR MODE DOOR NOT RESPONDING (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . .250
REAR MODE DOOR TRAVEL TOO LARGE (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . .252
REAR MODE DOOR TRAVEL TOO SMALL (ACTIVE). . . . . . . . . . . . . . . . . . . . . . . . .253
RECIRC DOOR NOT RESPONDING (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .254
RECIRC DOOR TRAVEL TOO LARGE (ACTIVE). . . . . . . . . . . . . . . . . . . . . . . . . . . . .256
RECIRC DOOR TRAVEL TOO SMALL (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
*ATC HEAD LED(S)/BACK LIGHTING INOPERATIVE . . . . . . . . . . . . . . . . . . . . . . . . .258
*FRONT BLOWER MOTOR INOPERATIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260
*FRONT BLOWER RUNS AT ONLY ONE SPEED . . . . . . . . . . . . . . . . . . . . . . . . . . . .266
*HVAC SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .268
*REAR ATC SWITCH LED(S)/BACK LIGHTING INOPERATIVE . . . . . . . . . . . . . . . . .272
*REAR BLOWER MOTOR INOPERATIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .274
*REAR BLOWER RUNS AT ONLY ONE SPEED . . . . . . . . . . . . . . . . . . . . . . . . . . . . .280
CABIN HEATER
A. CABIN HEATER PRE-TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .282
CABIN HEATER CONTROL CIRCUIT OPEN (STORED). . . . . . . . . . . . . . . . . . . . . . .282
CABIN HEATER CONTROL CIRCUIT SHORT TO BATTERY (STORED). . . . . . . . . .282
B1000 CONTROL UNIT ERRONEOUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .286
B1800 NO START . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .287
B1801 FLAME OUT: DURING HEATING CYCLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .287
B1801 FLAME OUT: UNSTABLE OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .287
B1802 POWER SUPPLY OUT OF RANGE: LOW VOLTAGE THRESHOLD. . . . . . . .291
B1802 POWER SUPPLY OUT OF RANGE: VOLTAGE ABOVE 15.5 VOLTS . . . . . . .294
B1803 FLAME DETECTED PRIOR TO COMBUSTION . . . . . . . . . . . . . . . . . . . . . . . .295
B1811 HEATER OVERHEATED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .296
B1813 HEATER IN LOCKOUT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300
B1820 DOSING PUMP CIRCUIT: OPEN OR SHORT TO BATTERY . . . . . . . . . . . . .302
B1820 DOSING PUMP CIRCUIT: SHORT TO GROUND . . . . . . . . . . . . . . . . . . . . . . .305
B1821 COMBUSTION AIR FAN CIRCUIT: OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . .308
B1821 COMBUSTION AIR FAN CIRCUIT: SHORT TO GROUND . . . . . . . . . . . . . . . .308
B1822 GLOW PIN/FLAME SENSOR: OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .309
B1822 GLOW PIN/FLAME SENSOR: SHORT TO GROUND . . . . . . . . . . . . . . . . . . .309
B1823 WATER PUMP CIRCUIT: OPEN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .310
B1823 WATER PUMP CIRCUIT: SHORT TO GROUND. . . . . . . . . . . . . . . . . . . . . . . .310
B1824 FAN SWITCH LINE SHORT TO GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . .311
CABIN HEATER CONTROL CIRCUIT OPEN (ACTIVE). . . . . . . . . . . . . . . . . . . . . . . .312
CABIN HEATER CONTROL CIRCUIT SHORT TO BATTERY (ACTIVE). . . . . . . . . . .316
*CABIN HEATER INOPERABLE FROM A/C - HEATER MODULE (MTC) . . . . . . . . .319
*CABIN HEATER INOPERABLE FROM AUTO TEMP CONTROL (ATC) . . . . . . . . . .321
vii
Summary of Contents for Caravan 2003
Page 24: ...NOTES xxiv ...
Page 64: ...NOTES 40 ...
Page 65: ...7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 41 ...
Page 1080: ...C O N N E C T O R P I N O U T S 1056 CONNECTOR PINOUTS ...
Page 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 ...
Page 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 ...
Page 1125: ...10 4 COMMUNICATION S C H E M A T I C D I A G R A M S 1101 SCHEMATIC DIAGRAMS ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 1158: ...NOTES 1134 ...
Page 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 ...