Dodge Caliber. Manual — part 204
B1474-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
This DTC will set if a DC offset occurs on the output channel, the amplifier shall set a DTC after a maturity
rate of 5 ±1 sec.
Possible Causes
AMPLIFIER
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
Turn the ignition on, then off, and then on again.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B1474-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT PERFOR-
MANCE?
Yes
>> Replace the amplifier in accordance with the service information.
Perform BODY VERIFICATION TEST VER-1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
PM
AUDIO/VIDEO SYSTEMS- ELECTRICAL DIAGNOSIS
8A - 89
B1475-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
8A - 90
AUDIO/VIDEO SYSTEMS- ELECTRICAL DIAGNOSIS
PM
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
The amplifier detects a shorted to ground condition on the speaker output circuit.
Possible Causes
(X205) AMPLIFIED LEFT REAR SHELF SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X295) AMPLIFIED LEFT REAR SHELF SPEAKER (-) CIRCUIT SHORTED TO GROUND
LEFT REAR SHELF SPEAKER
AMPLIFIER
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
Turn the ignition on, then off, and then on again.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B1475-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT LOW?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1.
2.
CHECK THE (X205) AMPLIFIED LEFT REAR SHELF SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
Disconnect the Amplifier C2 harness connector.
Disconnect the Left Rear Shelf Speaker harness connector.
Measure the resistance between ground and the (X205) Amplified Left
Rear Shelf Speaker (+) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X205) Amplified Left Rear Shelf Speaker (+) cir-
cuit for a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 3
PM
AUDIO/VIDEO SYSTEMS- ELECTRICAL DIAGNOSIS
8A - 91
3.
CHECK THE (X295) AMPLIFIED LEFT REAR SHELF SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between ground and the (X295) Amplified Left
Rear Shelf Speaker (-) circuit.
Is the resistance below 10K ohms?
Yes
>> Repair the (X295) Amplified Left Rear Shelf Speaker (-) for
a short to ground.
Perform BODY VERIFICATION TEST VER-1.
No
>> Go To 4
4.
CHECK OPERATION OF THE AMPLIFIED LEFT REAR SHELF SPEAKER
Turn the ignition off.
Reconnect and reinstall the Left Rear Shelf Speaker.
Measure the resistance of the speaker circuit between the Amplifier C2
harness connector and ground..
Is the resistance below 10K ohms?
Yes
>> Replace the Left Rear Shelf Speaker in accordance with the
service information.
Perform BODY VERIFICATION TEST VER-1.
No
>> Replace the amplifier in accordance with the service infor-
mation.
Perform BODY VERIFICATION TEST VER-1.
8A - 92
AUDIO/VIDEO SYSTEMS- ELECTRICAL DIAGNOSIS
PM
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