2017 Infiniti G37 Sedan V6-3.7L Diagnostic and Repair Information # 10-029 Date: 100507

Computers/Control - CAN Code, Diagnostic Tips/Guidelines
Classification: EL10-018
Reference: ITB10-029
Date: May 7, 2010
CAN COMMUNICATION CODES - DIAGNOSTIC TIPS & GUIDELINES
APPLIED VEHICLES: All 2005 - 2010 Infiniti vehicles
SERVICE INFORMATION
Related to communication codes U1000, U1001, U1002, U1010:
^ Always diagnose the communication codes first.
^ When a module reports a U1000 code, it is typically operating normally; however, there is a communication error external to that module on the
CAN network.
^ U1000 indicates an error. V-CAN diagram or CAN Diag Support Monitor provides data to determine the location of the error.
Step 1
Complete the CAN diagnosis with CONSULT-III (C-III).
^ Open ASIST first and then open C-III using the Consult Utilities icon. This step will help identify the CAN type on many vehicles using the SIS
function.
^ Ensure the correct CAN type is selected. Selecting the incorrect CAN type will lead to mis-diagnosis.
Step 2
View the V-CAN screen or print all CAN Diag Support Monitors (Shown below).
^ The V-CAN diagram screen is a snap shot only. It must be refreshed after any changes.
Step 3
Read the V-CAN diagram using the key provided OR reference the appropriate Electronic Service Manual (ESM) to analyze the CAN Diag Support
Monitor data. Determine the incident according to the display.
Step 4
If V-CAN diagnosis is not available or inconclusive, refer to the basic CAN diagnostic guidelines shown on pages 5-12. These represent electrical
values of the CAN system measured at the Data Link Connector or connectors at non-termination units.
To properly perform these basic checks:
^ The battery should be disconnected for resistance checks.
^ The ignition should be off.
Tips if a control module is the suspected root cause:
^ Improper module configuration or incorrect part numbers may set CAN DTCs.
^ Low battery voltage may set CAN DTCs.
Page 257
^ Always confirm the power, ground, and CAN resistance at a suspect module before replacing the module. Resistance should be close to 60 ohms
at the module (measured with the battery disconnected). The resistance at terminating modules should be close to 120 ohms. Examples of
terminating modules include IPDM, ECM, or BCM. Reference the appropriate ESM to determine the terminating modules.
DEFINITION OF CAN CODES
Page 258
V-CAN DIAGRAM SCREEN/CAN DIAG SUPPORT MONITOR - STEP 3 ILLUSTRATION
Page 259
Battery Is Possibly Connected
Page 260
Normal Resistance - CAN Harness
Page 261
Normal Resistence - CAN High to Ground
Page 262
Normal Resistence - CAN Low to Ground
Page 263
Open CAN Harness
Page 264
Short - CAN High to CAN Low
Page 265
Normal Voltage - CAN High
Page 266
Normal Voltage - CAN Low

2017 Infiniti G37 Sedan V6-3.7L Diagnostic and Repair Information # 10-017B Date: 120314

Multi AV System - Configuration After Replacing Control Unit
Classification: 10-009B
Reference: ITB10-017B
Date: March 14, 2012
AV CONTROL UNIT REPLACEMENT REQUIRES CONSULT-III PLUS CONFIGURATION
This bulletin has been amended. The Applied Vehicles and Service Procedure sections have been revised. Please discard previous versions.
APPLIED VEHICLES:2010-2012 EX35 (J50)
2010-2012 FX35/FX50 (S51)
2010-2012 G37 Coupe, Convertible, and Sedan (C/H/V36)
2013 JX35 (L50)
2011-2012 M37/M56 and 2012 M35 Hybrid (H/Y51)
2011-2012 QX56 (Z62)
SERVICE INFORMATION
If the AV Control Unit needs to be replaced on an Applied Vehicle for any reason, follow the steps in the Service Procedure to configure the Multi
AV system.
NOTE:
The original AV Control Unit must be installed in the vehicle while performing part of this procedure. DO NOT remove the original AV Control
Unit until instructed.
Service Procedure
Before starting, make sure your ASIST has been freshly synchronized and all CONSULT-III (C-III) plus upgrades have been installed.
Page 91
Parts of the Procedure
PART 1:
Record Multi AV Configuration Values of Original AV Control Unit; Replace AV Control Unit

1. Make sure the shift selector is in Park and the parking brake is set.


2. Connect the C-III plus VI to the vehicle.


3. Turn ON the ignition.

NOTE:
You may want to start the engine to keep the battery charged during this procedure.

1. Write down customer's radio station presets. (Presets will be lost during this procedure.)


2. Launch CONSULT-III (C-III) plus on the CONSULT PC.


3. Select Re/programming Configuration.

Page 92
7. Read the General Precaution.
When finished touch the "Confirmed instructions" box to insert a check mark, then select Next.

1. Select the Manual Selection (Vehicle Name) tab, then select the applicable Model and Year.


2. Select, Select.

10. Confirm the correct Model Name and Model Year are displayed. When finished select Confirm.
Page 93
11. After system call completes, confirm the correct VIN is displayed.
When finished, select Confirm.
NOTE:
If the VIN displayed is incorrect, input the correct VIN. When finished select Confirm.

1. Select MULTI AV.


2. . Select Read/Write Configuration.

Page 94

1. Select Before Replace ECU.


2. . Confirm current configuration and write it down.

^ Configuration can also be printed with the Print Screen button or Screen Capture button.
NOTE:
Configurable options will differ between models. Your screen may look different.
16. Select Save.
NOTE:
It the configuration data cannot be saved, replace the AV Control Unit as instructed in the applicable Electronic Service Manual (ESM) and then
proceed to PART 3: Perform Multi AV Initialization shown below in this bulletin.
Page 95

1. Select End.


2. . Replace the AV Control Unit as instructed in the applicable ESM.

PART 2:
Configure the Multi AV System
19. Perform steps 1-10.
20. Select Confirm.
21. Select After Replace ECU.
Page 96
22. Select OK.
After performing step 22
If an error message does not display:
^ Proceed to PART 5: Confirm Multi AV System Is Operational below.
If an error message does display:
^ Proceed to PART 3: Perform Multi AV Initalization, below.
PART 3 (if needed):
Perform Multi AV Initialization
NOTE:
Leave C-III plus running and the VI connected while performing Multi-AV initialization.

1. Turn OFF the audio system.


2. . Put the AV system into System Diagnostic Mode as follows:

a. Press and hold the SETTING button (see Figure 14).
b. While holding the SETTING button, turn the volume control knob 40 clicks or more.
^ The volume control knob can be turned either direction.
Page 97
^ When the system goes into the System Diagnostic Menu the screen in Figure 15 will display.

1. Select Confirmation/Adjustment.


2. . Select Delete Unit Connection Log.


3. . Select Yes.


4. . Select Initialize Settings.

Page 98
29. Select Accessory Number Initialization.
30. Select yes.
31. Wait while the system initializes.
^ The screen in Figure 21 will display while initializing.
^ The screen in Figure 22 will display when initialization is complete.
32. Once initialization is complete, reboot the Multi AV system as follows:
Page 99
a. Turn OFF the ignition.
b. Wait 10 seconds.
C. Turn ON the ignition.
Proceed to PART 4: Manually Configure the Multi AV System below.
PART 4 (if needed):
Manually Configure the Multi AV System
NOTE:
If the screen in Figure 23 is not displayed, click on the Home icon.

1. Select Re/programming Configuration.


2. . Read the General Precaution.

When finished, touch the "Confirmed instructions" box to insert a check mark, then select Next.
Page 100

1. Select the Manual Selection (Vehicle Name) tab, then select the applicable Model and Year.


2. . Select Select.


3. . Confirm the correct Model Name and Model Year are displayed.

When finished, select Confirm.
38. Confirm the correct VIN is displayed.
When finished, select Confirm.
NOTE:
Page 101
If the VIN displayed is incorrect input the correct VIN. When finished, select Confirm.
39. Select MULTI AV.
40. Select Manual Configuration.
41. Use the drop down menus to select the Configuration options that were printed or written down in step 15.
Page 102
^ Configurable options will differ between models. Your screen may look different from Figures 30 and 31.

1. Select Next.


2. . Confirm the configuration displayed is correct, then select OK.


3. . Start the engine and it let idle briefly.


4. . Use C-III plus to clear any codes from the Multi AV system.

a. Select Diagnoses (One System)> Multi AV> Self Diagnosis Results.
b. Clear any codes that may be present.
46. Close C-III plus and disconnect the VI from the vehicle.
PART 5:
Confirm Multi AV System Is Operational
For M37/M56 & M35 Hybrid Vehicles:
^ Confirm the fan, temperature, and air flow modes can be adjusted.
^ Turn ON the radio.
^ Turn the volume knob and made sure the audio volume responds to movement of the knob.
For All Other Applied Vehicles:
^ Put your foot on the brake, start the engine, and move the shift selector to R (reverse).
^ If equipped, make sure the rear view monitor is working correctly.
^ Put the shift selector back into Park.
^ Turn ON the radio.
^ Turn the volume knob and make sure the audio volume responds to movement of the knob.