Dodge Ram. Manual - part 53
Symptom:
LEFT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORTED
ACROSS
When Monitored and Set Condition:
LEFT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORTED ACROSS
When Monitored:
When the DRBIII
t performs the Speaker Output test.
Set Condition:
When the Left Front I/P Speaker and Left Front Door Speaker circuits are
simultaneously shorted.
POSSIBLE CAUSES
LEFT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORTED ACROSS
LEFT FRONT I/P AND LEFT FRONT DOOR SPEAKER CIRCUITS SHORTED
AMPLIFIER
TEST
ACTION
APPLICABILITY
1
NOTE: The fault condition must be present to continue diagnosis. Use the
DRBIII
t to perform the Amplifier pretest to verify the fault condition is
present before continuing diagnosis.
NOTE: Amplifier speaker circuits are both shorted simultaneously.
Turn the ignition off.
Access and disconnect the Left Front I/P and Left Front Door Speaker harness
connectors.
Turn the ignition on.
With the DRBIII
t, perform the Amplifier pretest.
Is the fault condition still present?
All
Yes
→ Go To 2
No
→ Replace the Left Front I/P and Left Front Door Speakers in
accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Access and disconnect the Left Front I/P Speaker harness connector.
Access and disconnect the Left Front Door Speaker harness connector.
Access and disconnect the Amplifier C2 harness connector.
Measure the resistance of the Left Front I/P Speaker (+) and (-) circuits.
Measure the resistance of the Left Front Door Speaker (+) and (-) circuits.
Is the resistance below 5.0 ohms on each measurement?
All
Yes
→ Repair both Speaker (+) and (-) circuits for a short together.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Amplifier in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
209
AUDIO