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
Symptom:
LEFT FRONT I/P AND LEFT REAR CHANNELS SHORT ACROSS
When Monitored and Set Condition:
LEFT FRONT I/P AND LEFT REAR CHANNELS SHORT ACROSS
When Monitored:
When the DRBIII
t performs the Speaker Output test.
Set Condition:
When the Left Front I/P Speaker and Left Rear Speaker circuits are
simultaneously shorted.
POSSIBLE CAUSES
LEFT FRONT I/P AND LEFT REAR CHANNELS SHORTED ACROSS
LEFT FRONT I/P AND LEFT REAR 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 Rear 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 Rear 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 Rear 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 Rear 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.
210
AUDIO
Symptom:
LEFT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT
ACROSS
When Monitored and Set Condition:
LEFT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT ACROSS
When Monitored:
When the DRBIII
t performs the Speaker Output test.
Set Condition:
When the Left Front I/P Speaker and the Right Front Door Speaker
circuits are simultaneously shorted.
POSSIBLE CAUSES
LEFT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORTED ACROSS
LEFT FRONT I/P AND RIGHT 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 Right 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 Right 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 Right 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 Right 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.
211
AUDIO
Symptom:
LEFT FRONT I/P AND RIGHT REAR CHANNELS SHORT ACROSS
When Monitored and Set Condition:
LEFT FRONT I/P AND RIGHT REAR CHANNELS SHORT ACROSS
When Monitored:
When the DRBIII
t performs the Speaker Output test.
Set Condition:
When the Left Front I/P Speaker and Right Rear Speaker circuits are
simultaneously shorted.
POSSIBLE CAUSES
LEFT FRONT I/P AND RIGHT REAR CHANNELS SHORTED ACROSS
LEFT FRONT I/P AND RIGHT REAR 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 Right Rear 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 Right Rear 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 Right Rear 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 Right Rear 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.
212
AUDIO
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