TEST
ACTION
APPLICABILITY
9
Disconnect the Horn connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit in the horn
connector.
Does the test light illuminate brightly?
All
Yes
→
Replace the Horns.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
10
Gain access to the IPM C1 connector.
Using a 12-volt test light connected to ground, back probe the Horn Relay Output
circuit in the IPM C1 connector.
With the DRBIII
t
, the actuate the horn relay.
Does the test light illuminate brightly?
All
Yes
→
Repair the Horn Relay Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
11
11
Turn the ignition off.
Remove the Front Control Module from the Integrated Power Module.
NOTE: Check connectors - Clean/repair as necessary.
NOTE: The test light is still connected to the C1 connector.
Momentarily jumper the Horn Relay Control circuit to ground at the FCM connector.
Does the test light illuminate brightly?
All
Yes
→
Replace the Front Control Module in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Replace the Integrated Power Module in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
424
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...