Chrysler Sebring, Stratus sedan, Sebring Convertible. Manual — part 65
Symptom:
*HEATED SEAT RELAY NOT ENERGIZED WITH IGNITION ON
POSSIBLE CAUSES
HEATED SEAT RELAY
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
HEATED SEAT RELAY CONTROL WIRE
BODY CONTROL MODULE
PCM NOT ACTIVE ON THE BUS
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t in Body System Test read the PCM status.
Is the PCM active on the BUS?
All
Yes
→ Go To 2
No
→ Refer to symptom No Response to PCM in the Communication
category.
Perform BODY VERIFICATION TEST - VER 1.
2
Remove the Heated Seat Relay from the Power Distribution Center.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the Fused Ignition Switch
Output circuit cavity 67 of the relay socket.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Repair the Fused Ignition Switch Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Install a known good relay in place of the Heated Seat Relay.
Does the system now operate correctly?
All
Yes
→ Replace the Heated Seat Relay.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Remove the Heated Seat Relay from the Power Distribution Center.
Disconnect the Body Control Module C3 connector.
Measure the resistance of the Heated Seat Relay Control circuit between the Heated
Seat Relay connector and the Body Control Module C3 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Heated Seat Relay Control wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
245
ELECTRICALLY HEATED SYSTEMS
Symptom:
*REAR WINDOW DEFOGGER INOPERATIVE (EQUIPPED WITH
AUTOMATIC TEMP CONTROL)
POSSIBLE CAUSES
JUNCTION BLOCK FUSE 15
PDC FUSE 6
REAR WINDOW DEFOGGER RELAY OUTPUT CIRCUIT OPEN
RELATED HVAC DTC’S
REAR WINDOW DEFOGGER RELAY
REAR WINDOW DEFOGGER RELAY
REAR DEFOGGER SWITCH OPERATION
REAR WINDOW DEFOGGER GRID OPEN
FUSED B(+) CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
REAR WINDOW DEFOGGER RELAY CONTROL CIRCUIT OPEN
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, read the Automatic Temperature Control Module DTC’s.
Are there any related HVAC DTC’s present?
All
Yes
→ Refer to the symptom list for related DTC’s.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
With the DRBIII
t in ATC Inputs/Outputs, read the EBL sw state while toggling the
Rear Defogger button.
Does the EBL Switch state change when the switch is depressed?
All
Yes
→ Go To 3
No
→ Replace the Automatic Temperature Control Head.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition on.
Turn the Rear Window Defogger on.
Using a 12 volt test light, check for voltage at the Rear Window Defogger Relay
Output circuit at the defogger grid.
Did the test light illuminate?
All
Yes
→ Repair the open in the Rear Window Defogger Grid or the Grid
Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
246
ELECTRICALLY HEATED SYSTEMS
TEST
ACTION
APPLICABILITY
4
With the DRBlll
t, actuate the Rear Window Defogger Relay.
Examine the Rear Window Defogger Relay.
Does the Rear Window Defogger Relay click while actuating.
All
Yes
→ Go To 5
No
→ Go To 8
5
Check the Power Distribution Center fuse 6.
Is the fuse open.
All
Yes
→ Check for a short to ground and replace the PDC fuse.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Remove the Rear Window Defogger Relay from the Junction Block.
Measure the voltage of the Fused B(+) circuit in the Rear Window Defogger Relay
connector.
Is the voltage above 10.0 volts?
All
Yes
→ Go To 7
No
→ Repair the open Fused B(+) circuit from PDC fuse #6.
Perform BODY VERIFICATION TEST - VER 1.
7
Remove the Rear Window Defogger Relay from the Junction Block.
Install a known good relay in the Rear Window Defogger Relay connector.
Turn the ignition on.
Turn the Rear Window Defogger on.
Using a 12 volt test light, check for voltage at the Rear Window Defogger Relay
Output circuit at the defogger grid.
Did the test light illuminate?
All
Yes
→ Replace the original Rear Window Defogger Relay.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Rear Window Defogger Relay Output circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1.
8
Check Junction Block fuse 15.
Is the fuse open.
All
Yes
→ Check for a short and replace the Junction Block fuse.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 9
9
Remove the Rear Window Defogger Relay from the Junction Block.
Turn the ignition on.
Measure the voltage of the Fused Ignition Switch circuit in the Rear Window
Defogger Relay connector.
Is the voltage above 10.0 volts?
All
Yes
→ Go To 10
No
→ Repair the Fused Ignition Switch Output circuit from the ignition
switch for an open.
Perform BODY VERIFICATION TEST - VER 1.
247
ELECTRICALLY HEATED SYSTEMS
*REAR WINDOW DEFOGGER INOPERATIVE (EQUIPPED WITH AUTO-
MATIC TEMP CONTROL) —
Continued
TEST
ACTION
APPLICABILITY
10
Remove the Rear Window Defogger Relay from the Junction Block.
Install a known good relay in the Rear Window Defogger Relay connector.
Turn the ignition on.
With the DRBlll
t, actuate the Rear Window Defogger Relay.
Examine the Rear Window Defogger Relay.
Does the Rear Window Defogger Relay click while actuating.
All
Yes
→ Replace the original Rear Window Defogger Relay.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 11
11
Remove the BCM from the junction block.
Reinstall the Rear Window Defogger Relay if removed.
Turn the ignition on.
Momentarily jumper the Rear Window Defogger Relay Control circuit (cavity 3) in
the BCM internal connector to ground.
Does the relay click?
All
Yes
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Junction Block.
Perform BODY VERIFICATION TEST - VER 1.
248
ELECTRICALLY HEATED SYSTEMS
*REAR WINDOW DEFOGGER INOPERATIVE (EQUIPPED WITH AUTO-
MATIC TEMP CONTROL) —
Continued
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст