Dodge Caliber. Manual — part 308
6.
TOTALLY INTEGRATED POWER MODULE
NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors.
Pay particular attention to all Power and Ground circuits.
Were any problems found?
Yes
>> Repair as necessary.
Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
No
>> Replace the Totally Integrated Power Module per Service Information.
Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
PM
HORN SYSTEM - ELECTRICAL DIAGNOSTICS
8H - 19
HORN SYSTEM - SERVICE INFORMATION
TABLE OF CONTENTS
page
page
HORN SYSTEM - SERVICE INFORMATION
HORN
HORN RELAY
HORN SWITCH
8H - 20
HORN SYSTEM - SERVICE INFORMATION
PM
HORN SYSTEM - SERVICE INFORMATION
DESCRIPTION
A single note (domestic) or dual note (export) electric horn system is installed on this vehicle.
The horn system features electromagnetic horn(s). The horn system includes the following major components:
•
Horn - The horn(s) are located on the left and right side frame rail.
•
Horn Relay - The horn relay is located in the Junction Block (JB).
•
Horn Switch - The horn switch is located under the driver airbag.
OPERATION
The horn system operates on battery current received through a fuse in the Totally Integrated Power Module (TIPM).
The horn system circuit is designed so that the system will remain operational, regardless of the ignition switch
position.
DIAGNOSIS AND TESTING - HORN SYSTEM
HORN SYSTEM TEST TABLE
CONDITION
POSSIBLE CAUSE
CORRECTION
HORN SOUNDS CONTINUOUSLY.
NOTE: IMMEDIATELY UNPLUG HORN
AND RELAY IN THE JUNCTION
BLOCK
1. INOPERATIVE HORN
RELAY.
1. REPLACE RELAY, IF
INOPERATIVE
2. HORN CONTROL
CIRCUIT TO RELAY
SHORTED TO GROUND.
2. CHECK TERMINAL 65 IN TIPM
FOR CONTINUITY TO GROUND
INDICATES:
A. WIRING HARNESS SHORTED TO
GROUND.
B. FIND THE SHORT AND REPAIR
AS NECESSARY.
4. PINCHED HORN
SWITCH WIRE UNDER
DRIVER AIRBAG MODULE.
4. REPLACE DRIVER AIRBAG.
5. INOPERATIVE HORN
SWITCH
5. REPLACE DRIVER AIRBAG.
HORN SOUNDS INTERMITTENTLY AS
THE STEERING WHEEL IS TURNED.
1. HORN RELAY CONTROL
CIRCUIT X3 IS SHORTED
TO GROUND INSIDE
STEERING WHEEL.
1. REMOVE DRIVER AIRBAG AND
CHECK FOR RUBBING OR LOOSE
WIRE/CONNECTOR, REPAIR AS
NECESSARY.
2. PINCHED HORN
SWITCH WIRE UNDER
DRIVER AIRBAG.
2. REPLACE DRIVER AIRBAG.
3. INOPERATIVE HORN
SWITCH.
3. REPLACE DRIVER AIRBAG.
HORN DOES NOT SOUND
1. CHECK FUSE 23 IN THE
TIPM.
1. REPLACE FUSE IF
INOPERATIVE.
2. NO VOLTAGE AT HORN
RELAY TERMINALS 62 & 66
AND FUSE IS OK.
2. NO VOLTAGE, REPAIR TIPM AS
NECESSARY.
3. OPEN CIRCUIT FROM
TERMINAL 65 OF THE
RELAY TO HORN SWITCH
X3 CIRCUIT.
3. REPAIR CIRCUIT AS
NECESSARY.
PM
HORN SYSTEM - SERVICE INFORMATION
8H - 21
CONDITION
POSSIBLE CAUSE
CORRECTION
4. INOPERATIVE OR
DAMAGED HORN.
4. VOLTAGE AT HORN WHEN HORN
SWITCH IS PRESSED, REPLACE
HORN.
5. INOPERATIVE HORN
SWITCH
5. REPLACE DRIVER AIRBAG.
FUSE BLOWS WHEN HORN IS
BLOWN
1. SHORT CIRCUIT IN
HORN OR HORN WIRING
1. REMOVE HORN RELAY, CHECK
FOR SHORTED HORN OR HORN
WIRING. DISCONNECT HORN WIRE
HARNESS TO ISOLATE SHORT
AND REPAIR AS NECESSARY.
FUSE BLOWS WITHOUT BLOWING
HORN
1. SHORT CIRCUIT
1. REMOVE RELAY, INSTALL NEW
FUSE, IF FUSE DOES NOT BLOW
REPLACE HORN RELAY. IF FUSE
BLOWS WITH RELAY REMOVED,
CHECK FOR SHORT TO GROUND
WITH OHMMETER BETWEEN
TERMINALS 62 & 66 AND THE
FUSE TERMINAL. REPAIR AS
NECESSARY.
NOTE: FOR WIRING REPAIRS REFER
TO GROUP 8W, WIRE DIAGRAMS.
8H - 22
HORN SYSTEM - SERVICE INFORMATION
PM
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст