Symptom:
FCM-WIPER SPEED RELAY OUTPUT CIRCUIT OPEN
POSSIBLE CAUSES
INTERMITTENT CONDITION
WIPER HIGH/LOW RELAY
POWER DISTRIBUTION CENTER
FRONT CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t
, clear all FCM DTC’s.
Actuate the Wipers in all speed positions.
With the DRBIII
t
, read the DTC information.
Does the DRBIII
t
read: Wiper Speed Relay Output Circuit Open?
All
Yes
→
Go To
2
No
→
The condition that caused the symptom is currently not present.
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced, pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Install a substitute relay in place of the Wiper High/Low Relay.
Turn the ignition on.
Activate the Wiper Switch to all speed positions.
With the DRBIII
t
, read DTCs.
Does the DRBIII
t
display: Wiper Speed Relay Output Circuit Open?
All
Yes
→
Go To
3
No
→
Replace the Wiper High/Low Relay in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Remove the Wiper High/Low Relay from the IPM.
Remove the FCM from the IPM.
Measure the resistance of the Wiper High/Low Control circuit in the IPM.
Is the resistance above 5.0 ohms?
All
Yes
→
Replace the Power Distribution Center (PDC ) in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Replace the Front Control Module (FCM) in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
543
WINDSHIELD WIPER & WASHER
Summary of Contents for Ram 2004
Page 14: ...NOTES xiv...
Page 35: ...7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 21...
Page 570: ...NOTES 556...
Page 574: ...NOTES 560...
Page 596: ...C O N N E C T O R P I N O U T S 582 CONNECTOR PINOUTS...
Page 600: ...C O N N E C T O R P I N O U T S 586 CONNECTOR PINOUTS...
Page 602: ...C O N N E C T O R P I N O U T S 588 CONNECTOR PINOUTS...
Page 603: ...C O N N E C T O R P I N O U T S 589 CONNECTOR PINOUTS...
Page 613: ...C O N N E C T O R P I N O U T S 599 CONNECTOR PINOUTS...
Page 621: ...10 2 2 BASE AUDIO SYSTEM S C H E M A T I C D I A G R A M S 607 SCHEMATIC DIAGRAMS...
Page 625: ...10 3 4 ECM COMMUNICATION DIESEL S C H E M A T I C D I A G R A M S 611 SCHEMATIC DIAGRAMS...
Page 626: ...10 4 DOOR AJAR SYSTEM S C H E M A T I C D I A G R A M S 612 SCHEMATIC DIAGRAMS...
Page 629: ...10 6 EXTERIOR LIGHTS S C H E M A T I C D I A G R A M S 615 SCHEMATIC DIAGRAMS...
Page 630: ...10 7 HEATING A C SYSTEM S C H E M A T I C D I A G R A M S 616 SCHEMATIC DIAGRAMS...
Page 632: ...10 9 INSTRUMENT CLUSTER S C H E M A T I C D I A G R A M S 618 SCHEMATIC DIAGRAMS...
Page 633: ...10 10 OVERHEAD CONSOLE S C H E M A T I C D I A G R A M S 619 SCHEMATIC DIAGRAMS...
Page 634: ...10 11 POWER DOOR LOCKS S C H E M A T I C D I A G R A M S 620 SCHEMATIC DIAGRAMS...
Page 636: ...10 13 VEHICLE THEFT SECURITY SYSTEM S C H E M A T I C D I A G R A M S 622 SCHEMATIC DIAGRAMS...
Page 637: ...10 14 WIPERS S C H E M A T I C D I A G R A M S 623 SCHEMATIC DIAGRAMS...
Page 638: ...NOTES 624...
Page 640: ...NOTES 626...
Page 642: ...Dealer Technical Operations 800 Chrysler Drive CIMS 486 02 76 Auburn Hills MI 48326 2757...
