TEST
ACTION
APPLICABILITY
7
Turn the ignition off.
Disconnect the Rear Blower Motor Power Module C1 harness connector.
Measure the resistance between ground and the Ground circuit.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
8
No
→
Repair the Ground circuit for an open.
With the DRBIII
t
, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
8
Turn the ignition off.
Disconnect the Rear Blower Motor Power Module C1 harness connector.
Disconnect the Automatic Temperature Control Module C2 harness connector.
Turn the ignition on.
Measure the voltage of the Rear Blower Motor Control circuit.
Is there any voltage present?
All
Yes
→
Repair the Rear Blower Motor Control circuit for a short to
voltage.
With the DRBIII
t
, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
9
9
Turn the ignition off.
Disconnect the Rear Blower Motor Power Module C1 harness connector.
Disconnect the Automatic Temperature Control Module C2 harness connector.
Measure the resistance of the Rear Blower Motor Control circuit between the Rear
Blower Motor Power Module C1 harness connector and the Automatic Temperature
Control Module C2 harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
10
No
→
Repair the Rear Blower Motor Control circuit for an open.
With the DRBIII
t
, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
10
Turn the ignition off.
Make sure that the Rear Blower Motor Power Module C1 harness connector is
connected to the Rear Blower Motor Power Module.
Make sure that the Automatic Temperature Control Module C2 harness connector is
connected to the Automatic Temperature Control Module.
Start the engine.
Press the ATC Power switch on.
Set the Rear System switch on the ATC module to the Rear Control position.
Set the blower switch on the Rear ATC Control panel to LO speed.
While back probing, measure the voltage of the Rear Blower Motor Control circuit in
the Automatic Temperature Control Module C2 harness connector.
Is the voltage above 10.0 volts?
All
Yes
→
Go To
11
No
→
Replace the Rear Blower Motor Power Module in accordance with
the Service Information.
With the DRBIII
t
, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
276
AUTOMATIC TEMPERATURE CONTROL
*REAR BLOWER MOTOR INOPERATIVE —
Continued
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 ...