Pinpoint Test At : The Chimes Only Sounds From The IPC (Instrument Panel Cluster)
- AT1 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to DTC Chart: IPC No GO to AT2 - AT2 PERFORM THE ACM (AUDIO FRONT CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the ACM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes Refer to the appropriate Information And Entertainment System article. No GO to AT3 - AT3 PERFORM THE APIM (SYNC MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the APIM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes Refer to the appropriate Information And Entertainment System article. No GO to AT4 - AT4 PERFORM THE DACMC (DIGITAL AUDIO CONTROL MODULE C) SELF-TEST
- Using a diagnostic scan tool, perform the DACMC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes Refer to the appropriate Information And Entertainment System article. No If equipped with touchscreen audio system, GO to AT6
If not equipped with the touchscreen audio system, GO to AT5 - AT5 CHECK FOR CORRECT AUDIO SYSTEM OPERATION
- Operate the audio system in AM/ FM mode.
Does the audio system operate correctly?
Yes If not equipped with the touchscreen audio system, GO to AT17 If equipped with the touchscreen audio system, GO to AT6 No Diagnose the audio system. Refer to the appropriate Information And Entertainment System article. - AT6 PERFORM THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE SELF-TEST
- Using a diagnostic scan tool, perform the audio DSP module self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes For DTC B1045:13, GO to AT7For DTC B10FD:13, GO to AT12
For all other Diagnostic Trouble Codes (DTCs), Refer to the appropriate Information And Entertainment System article.No GO to AT17 - AT7 CHECK THE LHR (LEFT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE
- Ignition OFF.
- Disconnect Audio DSP Module C4452A .
- Ignition ON.
- Operate the audio system in AM/ FM mode.
Is a fluctuating AC voltage present?
Yes GO to AT19 No GO to AT8 - AT8 CHECK THE LHR (LEFT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR A SHORT TO VOLTAGE
- Ignition OFF.
- Disconnect ACM C4821A .
- Ignition ON.
Is any voltage present?
Yes REPAIR the circuit in question. No GO to AT9 - AT9 CHECK THE LHR (LEFT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR A SHORT TO GROUND
- Ignition OFF.
Are the resistances greater than 10, 000 ohms?
Yes GO to AT10 No REPAIR the circuit in question. - AT10 CHECK THE LHR (LEFT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR AN OPEN
Are the resistances less than 3 ohms?
Yes GO to AT11 No REPAIR the circuit in question. - AT11 CHECK THE LHR (LEFT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR A SHORT TOGETHER
Is the resistance greater than 10, 000 ohms?
Yes GO to AT17 No REPAIR the circuits. - AT12 CHECK THE RHR (RIGHT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE
- Ignition OFF.
- Disconnect Audio DSP Module C4452A .
- Ignition ON.
- Operate the audio system in AM/ FM mode.
Is a fluctuating AC voltage present?
Yes GO to AT19 No GO to AT13 - AT13 CHECK THE RHR (RIGHT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR A SHORT TO VOLTAGE
- Ignition OFF.
- Disconnect ACM C4821A .
- Ignition ON.
Is any voltage present?
Yes REPAIR the circuit in question. No GO to AT14 - AT14 CHECK THE RHR (RIGHT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR A SHORT TO GROUND
- Ignition OFF.
Are the resistances greater than 10, 000 ohms?
Yes GO to AT15 No REPAIR the circuit in question. - AT15 CHECK THE RHR (RIGHT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR AN OPEN
Are the resistances less than 3 ohms?
Yes GO to AT16 No REPAIR the circuit in question. - AT16 CHECK THE RHR (RIGHT-HAND REAR) AUDIO SIGNAL TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR A SHORT TOGETHER
Is the resistance greater than 10, 000 ohms?
Yes GO to AT17 No REPAIR the circuit in question. - AT17 CHECK FOR CORRECT ACM (AUDIO FRONT CONTROL MODULE) OPERATION
- Ignition OFF.
- Disconnect and inspect all the ACM connectors.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the ACM connectors. Make sure they seat and latch correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new ACM. Refer to the appropriate Information And Entertainment System article. TEST the system for normal operation. If the chimes still do not sound through the audio system, GO to AT18 No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. - AT18 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) OPERATION
- Ignition OFF.
- Disconnect and inspect all IPC connector.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the IPC connector. Make sure it seats and latches correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. - AT19 CHECK FOR CORRECT AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE OPERATION
- Ignition OFF.
- Disconnect and inspect all the audio DSP module connectors.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the audio DSP module connectors. Make sure they seat and latch correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new audio DSP module. REFER to: Audio Digital Signal Processing (DSP) Module No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.