Service Procedure
SERVICE PROCEDURENOTE:
Before starting make sure your ASIST has been freshly synchronized and all CONSULT-III plus upgrades have been installed. The Multi-AV reprogramming software is delivered to C-III plus via ASIST synchronization.
There are four parts to this procedure:
Part 1: Using C-III plus - record (write down) the Multi AV control unit part number.
Part 2: Using the vehicles on-board Systems Diagnostic Menu - perform Multi AV initialization
Part 3: Using C-III plus - reprogram (reconfigure) the Multi AV and confirm the control unit part number has changed.
Part 4: Make sure the Multi AV system is operational by checking HVAC and audio controls.
Part 5: Replace the system microphone with the one from the Parts Information section of this bulletin.
Part 1: Using C-III plus - record (write down) the Multi AV configuration values and the Multi AV control unit part number.
1. Make sure the shift selector is in Park (A/T) or neutral (M/T) and the parking brake is set.
2. Connect the C-III plus VI to the vehicle.
3. Turn the ignition ON.
4. Write down customer's radio station presets. (Presets will be lost during this procedure)
NOTE:
You may want to start the engine to keep the battery charged during this procedure.
5. Open/start ASIST on the CONSULT PC then select CONSULT-III plus.
6. Wait for VI to be detected and status box(s) to turn green (Diagram 1 shown above).
7. Select from detected VI list (if more than one in the shop) the VI that is being used on current vehicle by highlighting Connection Status box with correct serial number.
8. Select Diagnosis (One System).
9. Select MULTI AV
* IMPORTANT *
10. Confirm ECU PART NUMBER and print, or Write down for Warranty Information. 25915- ________
11. Select the Home button when done.
Part 2: Perform Multi AV initialization using the vehicles on-board Systems Diagnostic Menu.
19. Leave C-III plus ON and the VI connected while performing Multi-AV initialization.
20. Turn the audio system OFF.
NOTE:
The ignition should still be ON.
21. Put the AV system into System Diagnostic Mode:
a. Press and hold the SETTING button.
b. While holding the SETTING button, turn the volume control knob 40 clicks or more.
^ The volume control knob can be turned either direction.
^ When the system goes into the System Diagnostic Menu the screen in Figure 5 will display.
22. Select Confirmation/Adjustment
23. Select Initialize Settings
NOTE:
Use the scroll arrow to find Initialize Settings.
24. Select Accessory Number Initialization.
25. Select Yes
26. Select Yes
27. The screen in Figure 10 will display while initializing.
28. The screen in Figure 11 will display when initializing is complete.
29. Reboot the Multi AV system as follows:
a. Turn the ignition OFF.
b. Wait 10 Seconds.
c. Turn the ignition ON.
Part 3: Using C-III plus - reprogram (reconfigure) the Multi AV unit and confirm the control unit part number has changed.
30. Select Reprogramming Configuration
31. Read Precautions then select Next.
32. Use Manual Selection (Vehicle Name) then select correct Make Model and Year.
33. Push Select.
34. Confirm correct VIN Vehicle Name and Model Year.
35. Select Confirm or change VIN if incorrect.
a. If VIN needs to be changed refer to Figure 16 after selecting Change option.
b. Correct the VIN, and then select Confirm.
36. After system call completes select MULTI AV.
37. Select Manual Configuration.
38. Use drop down arrows to select correct ENGINE TYPE (NORMAL or HYBRID) and WITH or WITHOUT 4WAS then select Next.
39. Confirm correct ENGINE TYPE and WITH or WITHOUT 4WAS, then select OK.
^ After C-III plus finishes transferring the configuration to MULTI AV return to Home screen.
40. Start engine and let idle briefly, then clear any codes that may be present and recheck.
41. Use steps 8 through 10 and make sure the part number has changed.
^ Compare the part number you wrote down in Step 10 to the one that is now displayed.
^ The part number should be different.
42. Close the C-III plus software and disconnect the VI from the vehicle.
Part 4: Make sure the Multi AV system is operational by checking all HVAC functions.
43. Confirm that fan, temperature and air flow modes can be adjusted.
44. Turn the radio ON
45. Turn the volume knob and make sure the audio volume responds to movement of the knob.
The reprogramming procedure is complete, but you may need to adjust the system for customer preference:
Adjust outgoing call volume to a level that is suitable for the customer's voice as follows:
A. Press the SETTING button on the control panel.
B. Select Volumes & Beeps
C. Adjust the Outgoing Call volume to the customer's preference.
^ If extremely loud talker set to level 1 (-).
^ If moderately loud talker set to level 2.
^ If normal loud talker set to level 3.
^ If moderately quiet talker set to level 4.
^If quiet talker set to level 5 (+).
Part 5: Replace the system microphone and check operation using the vehicles on.board Systems Diagnostic Menu.
46. Replace the Multi-AV system microphone with the one listed in the Parts Information section of this bulletin. Refer to the appropriate Electronic Service Manual for part replacement information.
47. Turn the audio system OFF.
NOTE:
The ignition should still be ON.
48. Put the AV system into System Diagnostic Mode:
a. Press and hold the SETTING button.
b. While holding the SETTING button turn the volume control knob 40 clicks or more.
^ The volume control knob can be turned either direction.
^ When the system goes into the System Diagnostic Menu the screen in Figure 25 will display.
49. Select Self Diagnosis
50. Select Handsfree Phone
NOTE:
Use the scroll arrow to find Handsfree Phone.
51. Select Voice Microphone Test
NOTE:
A "feedback" noise (and if you can hear around it your voice) will come from the system speakers as confirmation of microphone operation.
52. Reboot Multi AV system by cycling ignition off for 10 seconds then back on.
Re-enter customer radio stations.