TEST
ACTION
APPLICABILITY
4
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
CAUTION: DO NOT PLACE AN INTACT UNDEPLOYED AIRBAG FACE
DOWN ON A HARD SURFACE, THE AIRBAG WILL PROPEL INTO THE AIR
IF ACCIDENTALLY DEPLOYED, AND COULD RESULT IN SERIOUS OR
FATAL INJURY.
Gain access to the horn switch connector.
WARNING: TURN THE IGNITION ON, THEN RECONNECT THE BATTERY.
Momentarily connect a jumper wire between the Horn Switch Sense circuit at the
Horn switch connector and ground.
Did the horns sound?
All
Yes
→
Replace the horn switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
5
5
Disconnect the clockspring C1 connector.
Momentarily connect a jumper wire between the Horn Switch Sense circuit at the
clockspring connector and ground.
Did the horns sound?
All
Yes
→
Replace the clockspring.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
6
6
Disconnect the clockspring C1 connector.
Disconnect the Instrument Cluster C3 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance of the Horn Switch Sense circuit between the clockspring C1
connector and the Instrument Cluster C3 connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Replace the Instrument Cluster in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Repair the Horn Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
7
Turn the ignition off.
Check fuse #45 in the IPM.
Is the fuse open?
All
Yes
→
Replace the fuse. Check for a short to ground in the Horn Relay
Output circuit from the IPM to the horns.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
8
8
Disconnect a horn connector.
With the DRBIII
t
, actuate the Horn Relay.
Using a 12-volt test light connected to ground, check the Horn Relay Output circuit.
Does the test light illuminate brightly?
All
Yes
→
Go To
9
No
→
Go To
10
423
IGNITION, POWER, ACCESSORY
*HORNS INOPERATIVE —
Continued
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...
