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Symptom:
*AIRBAG INDICATOR ON WITHOUT ACTIVE TROUBLE CODES
POSSIBLE CAUSES
AIRBAG INDICATOR ON WITHOUT TROUBLE CODES
INSTRUMENT CLUSTER PROBLEMS
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Make sure that all active DTCS have been repaired before pre forming this
procedure.
With the DRBIII select PASSIVE RESTRAINTS, AIRBAG, MONITOR DISPLAY,
WARNING LAMP STATUS and read the WARNING LAMP STATUS.
Does the DRB show LAMP REQ BY ACM: ON?All
Ye s®Replace the Occupant Restraint Controller in accordance with
Service Instructions. WARNING: make sure the battery is dis-
connected and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
No®Refer to INSTRUMENT CLUSTER CATEGORY symptom list for
problems related to Instrument Cluster.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
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AIRBAG
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Symptom:
ALL OUTPUTS SHORTED
When Monitored and Set Condition:
ALL OUTPUTS SHORTED
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
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 DRBIIIt, erase the audio DTC's.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIIIt, read the audio DTC's.
Does the DRBIIItdisplay ALL OUTPUTS SHORTED?All
Ye s®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.
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AUDIO
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TEST ACTION APPLICABILITY
2 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 DRBIIIt, erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIIIt, read DTC's.
Does the DRBIIItdisplay ALL OUTPUTS SHORTED with all the front speakers
disconnected?All
Ye s®Go To 3
No®Replace the Speaker that when disconnected the DTC did not
reset. Note: On the premium system, check the I/P speaker
circuits between the front door speaker and the I/P speaker for a
short to ground or shorted together condition before replacing
speaker.
Perform BODY VERIFICATION TEST - VER 1.
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 DRBIIIt, erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIIIt, read DTC's.
Does the DRBIIItdisplay ALL OUTPUTS SHORTED with all the rear speakers
disconnected?All
Ye s®Go To 4
No®Replace Speaker that when disconnected the DTC did not reset.
Note: On the premium system, check the rear speaker ckts
between the rear door speaker and the rear pillar speaker for a
short to ground or shorted together condition before replacing
speaker.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio C1 and C2 harness connectors.
Measure the resistance between ground and each speaker (+) circuit.
Is the resistance below 1000.0 (1K) ohms?All
Ye s®Repair the speaker (+) circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
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AUDIO
ALL OUTPUTS SHORTED ÐContinued
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TEST ACTION APPLICABILITY
5 Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio C1 and C2 harness connectors.
Measure the resistance between ground and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms?All
Ye s®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 C1 and C2 harness connectors.
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
Ye s®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.
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ALL OUTPUTS SHORTED ÐContinued
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Symptom List:
AM SECTION
CASS ERROR
CASSETTE COMMUNICATION FAULT
CASSETTE EJECT FAILURE
CASSETTE LOADING FAILURE
CASSETTE TAPE TENSION HIGH
CASSETTE TAPE TENSION LOW
CD ERROR
CD MECHANICAL FAILURE
FM SECTION
MICRO OUTPUT FAILURE
RADIO ERROR
*AM/FM SWITCH INOPERATIVE
*ANY STATION PRESET SWITCH INOPERATIVE
*BALANCE INOPERATIVE
*CD EJECT SWITCH INOPERATIVE
*EQUALIZER INOPERATIVE
*FADER INOPERATIVE
*FF/RW SWITCH INOPERATIVE
*HOUR/MINUTE SWITCHES INOPERATIVE
*PAUSE/PLAY SWITCH INOPERATIVE
*PWR SWITCH INOPERATIVE
*SCAN SWITCH INOPERATIVE
*SEEK SWITCH INOPERATIVE
*SET SWITCH INOPERATIVE
*TAPE EJECT SWITCH INOPERATIVE
*TIME SWITCH INOPERATIVE
*TUNE SWITCH INOPERATIVE
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be AM SECTION.
When Monitored and Set Condition:
AM SECTION
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a AM Section failure.
CASS ERROR
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a internal cassette failure.
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CASSETTE COMMUNICATION FAULT
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a cassette com failure.
CASSETTE EJECT FAILURE
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a cassette eject failure.
CASSETTE LOADING FAILURE
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a cassette loading failure.
CASSETTE TAPE TENSION HIGH
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a internal cassette failure.
CASSETTE TAPE TENSION LOW
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a internal cassette failure.
CD ERROR
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a internal CD failure.
CD MECHANICAL FAILURE
When Monitored: Continuously with the ignition and CD player turned on.
Set Condition: The code will set if the radio detects a CD mechanical failure.
FM SECTION
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a FM Section failure.
RADIO ERROR
When Monitored: Continuously with the ignition and radio turned on.
Set Condition: The code will set if the radio detects a internal radio failure.
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AM SECTION ÐContinued
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POSSIBLE CAUSES
INTERNAL FAILURE
TEST ACTION APPLICABILITY
1NOTE: If a DTC is set, erase the DTC and attempt to reset the DTC. If DTC
resets, follow this test.
This is an internal radio failure.
View repairAll
Repair
Replace the Radio.
Perform BODY VERIFICATION TEST - VER 1.
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AUDIO
AM SECTION ÐContinued
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Symptom:
CD CHANGER MECHANICAL FAILURE
When Monitored and Set Condition:
CD CHANGER MECHANICAL FAILURE
When Monitored: Continuously with the ignition and CD Changer turned on.
Set Condition: The code will set if the CD Changer detects a mechanical failure.
POSSIBLE CAUSES
INTERNAL FAILURE
TEST ACTION APPLICABILITY
1 This is an internal CD Changer failure.
View repairAll
Repair
Replace the CD Changer.
Perform BODY VERIFICATION TEST - VER 1.
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AUDIO