Jeep Wrangler TJ. Manual — part 20
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
NOTE: Perform this procedure after disconnecting each rear speaker
connector.
Disconnect each rear speaker harness connector one at a time.
Turn the ignition on.
Turn the radio on.
With the DRBIII
t, erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII
t, read DTC’s.
Does the DRBIII
t display ALL OUTPUTS SHORT with all the rear speakers
disconnected?
All
Yes
→ Go To 4
No
→ Replace the Speaker that when disconnected the DTC did not
reset.
Perform BODY VERIFICATION TEST - VER 1.
4
Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and each speaker (+) circuit.
Is the resistance below 1000.0 (1K) ohms?
All
Yes
→ Repair the speaker (+) circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms?
All
Yes
→ Repair the speaker (-) circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between each speaker (+) circuit and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms for any of the measurements?
All
Yes
→ Repair the speaker circuits shorted together.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
7
If there are no possible causes remaining, view repair.
All
Repair
Replace the Radio.
Perform BODY VERIFICATION TEST - VER 1.
77
AUDIO
ALL OUTPUTS SHORT - BASE AUDIO SYSTEM —
Continued
Symptom:
ALL OUTPUTS SHORT - PREMIUM AUDIO SYSTEM
When Monitored and Set Condition:
ALL OUTPUTS SHORT - PREMIUM AUDIO SYSTEM
When Monitored:
Ignition in RUN and IOD fuse installed.
Set Condition:
The radio has sensed a short on the output for more than 10 seconds.
POSSIBLE CAUSES
DETERMINE FAULT
FRONT SHORTED SPEAKER
SUBWOOFER
REAR SHORTED SPEAKER
(+) CIRCUIT SHORTED TO GROUND
(-) CIRCUIT SHORTED TO GROUND
SPEAKER (+) & (-) CIRCUITS SHORTED TOGETHER
SPEAKER SECTION OF RADIO
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
Turn the Radio on.
With the DRBIII
t, erase the audio DTC’s.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII
t, read the audio DTC’s.
Does the DRBIII
t display ALL OUTPUTS SHORT?
All
Yes
→ Go To 2
No
→ Refer to the wiring diagrams located in the service information to
help isolate a possible intermittent short.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Subwoofer harness connector.
Turn the ignition on.
Turn the radio on.
With the DRBIII
t, erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII
t, read DTC’s.
Does the DRBIII
t display ALL OUTPUTS SHORT with the Subwoofer disconnected?
All
Yes
→ Go To 3
No
→ Replace the Subwoofer in accordance with the service informa-
tion.
Perform BODY VERIFICATION TEST - VER 1.
78
AUDIO
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
NOTE: Perform this procedure after disconnecting each front speaker
connector.
Disconnect each front speaker harness connector one at a time.
Turn the ignition on.
Turn the radio on.
With the DRBIII
t, erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII
t, read DTC’s.
Does the DRBIII
t display ALL OUTPUTS SHORT with all the front speakers
disconnected?
All
Yes
→ Go To 4
No
→ Replace the Speaker that when disconnected the DTC did not
reset.
Perform BODY VERIFICATION TEST - VER 1.
4
Turn the ignition off.
NOTE: Perform this procedure after disconnecting each rear speaker
connector.
Disconnect each rear speaker harness connector one at a time.
Turn the ignition on.
Turn the radio on.
With the DRBIII
t, erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII
t, read DTC’s.
Does the DRBIII
t display ALL OUTPUTS SHORT with all the rear speakers
disconnected?
All
Yes
→ Go To 5
No
→ Replace the Speaker that when disconnected the DTC did not
reset.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and each speaker (+) circuit.
Is the resistance below 1000.0 (1K) ohms?
All
Yes
→ Repair the speaker (+) circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms?
All
Yes
→ Repair the speaker (-) circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
79
AUDIO
ALL OUTPUTS SHORT - PREMIUM AUDIO SYSTEM —
Continued
TEST
ACTION
APPLICABILITY
7
Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between each speaker (+) circuit and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms for any of the measurements?
All
Yes
→ Repair the speaker circuits shorted together.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 8
8
If there are no possible causes remaining, view repair.
All
Repair
Replace the Radio.
Perform BODY VERIFICATION TEST - VER 1.
80
AUDIO
ALL OUTPUTS SHORT - PREMIUM AUDIO SYSTEM —
Continued
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