Symptom:
*REAR ATC SWITCH LED(S)/BACK LIGHTING INOPERATIVE
POSSIBLE CAUSES
CHECK FOR ATC DTCS
CHECK FOR BCM DTCS
REAR ATC SWITCH - LED(S) INOPERATIVE
REAR ATC SWITCH - BACK LIGHTING INOPERATIVE
PANEL LAMPS DRIVER CIRCUIT OPEN
BODY CONTROL MODULE - PANEL LAMPS DRIVER OPEN
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t
, read ATC DTCs.
Does the DRBIII
t
display any ATC DTCs?
All
Yes
→
Return to the symptom list and choose the symptom(s).
With the DRBIII
t
, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
2
2
Turn the ignition on.
With the DRBIII
t
, read the BCM DTCs.
Does DRBIII
t
display Headlamp Switch: Mismatch; STG; Open; or Panel Dim
Output Short?
All
Yes
→
Refer to symptoms Headlamp Switch Mismatch, Headlamp
Switch Shorted To Ground, and Headlamp Switch Open in the
Exterior Lighting catagory. Refer to symptom Panel Dimming
Output Short in the Instrument Cluster catagory.
With the DRBIII
t
, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
3
3
Turn the ignition on.
Turn the ATC Power switch on.
Turn the Rear System switch on the ATC Head to the Rear Control position.
Turn the Fan switch on the Rear ATC Switch to the Auto position.
Set the Rear Temp to the HI setting.
NOTE: Compare with a known good Rear ATC Switch.
While looking at the display on the Rear ATC Switch, press and hold the Temp
Up/Down control in the Down position.
Are all segments of the LEDs operating properly as the temperature changes from HI
to LO?
All
Yes
→
Go To
4
No
→
Replace the Rear ATC Switch in accordance with the Service
Information.
With the DRBIII
t
, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
272
AUTOMATIC TEMPERATURE CONTROL
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 ...
