Pinpoint Test R : The Sync ® System Voice Or Tone Prompts, TTS Feature, Or Ringtones Are Inoperative Or Do Not Operate Correctly
- R1 CHECK THE AUDIBLE PROMPT SETTING
- Operate the audio system in SYNC ® mode.
- Verify the audible prompts are enabled. Refer to "SYNC ® Voice Recognition Feature" in the Owner's Literature.
- Press the VOICE steering wheel switch and observe the SYNC ® audible prompt.
Does the SYNC ® system produce an audible prompt correctly?
Yes The system is operating correctly at this time. The concern was caused by a customer setting. INSTRUCT the customer in the correct operation of the audible prompt feature. No GO to R2. - R2 CHECK FOR A VOLTAGE SIGNAL FROM THE APIM
- Operate the audio system in SYNC ® mode.
- While pressing the VOICE steering wheel switch repeatedly, measure the Alternating Current (AC) voltage by back-probing:
Positive Lead Measurement / Action Negative Lead C240B-8 C240B-21
Is an AC voltage produced each time the VOICE switch is pressed?
Yes GO to R7. No GO to R3. - R3 CHECK THE AUDIBLE PROMPT CIRCUITS FOR A SHORT TO VOLTAGE
- Ignition OFF.
- Disconnect: ACM C240B .
- Disconnect: APIM.
- Ignition ON.
Is any voltage present?
Yes REPAIR the circuit in question. No GO to R4. - R4 CHECK THE AUDIBLE PROMPT CIRCUITS FOR A SHORT TO GROUND
- Ignition OFF.
Are the resistances greater than 10, 000 ohms?
Yes GO to R5. No REPAIR the circuit in question. - R5 CHECK THE AUDIBLE PROMPT CIRCUITS FOR AN OPEN
Are the resistances less than 3 ohms?
Yes GO to R6. No REPAIR the circuit in question. - R6 CHECK FOR CORRECT APIM OPERATION
- Ignition OFF.
- Disconnect and inspect the APIM connector.
- Repair:
- Corrosion (clean module pins or install new connectors or terminals)
- Damaged or bent pins (install new terminals or pins)
- Pushed-out pins (install new pins as necessary)
- Reconnect the APIM connector. Make sure it seats and latches correctly.
- Wait 2 minutes for the APIM to re-initialize.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, Refer to APIM HARDWARE TESTING . 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. - R7 CHECK FOR CORRECT ACM OPERATION
- Ignition OFF.
- Disconnect and inspect all ACM connectors.
- Repair:
- Corrosion (clean module pins or install new connectors or terminals)
- Damaged or bent pins (install new terminals or 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 TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new audio ACM. Refer to Audio Control Module (ACM) . 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.


