Infiniti G35 (V35). Manual — part 569

LAN-36

[CAN FUNDAMENTAL]

TROUBLE DIAGNOSES WORK FLOW

Search for the possible cause using CAN communication signal chart using information from the interview
with the customer.

NOTE:
For the details of CAN communication signal, refer to

LAN-48, "CAN Communication Signal Chart"

ABS warning lamp turned ON and speedometer did not move: This means that “ABS warning lamp signal”
and “Vehicle speed signal” could not communicate between M&A and ABS (4-a in the figure).

The tachometer moved normally: This means that “Engine speed signal” could communicate normally
between ECM and M&A (4-b in the figure).

SKIB8895E

TROUBLE DIAGNOSES WORK FLOW

LAN-37

[CAN FUNDAMENTAL]

LAN

Fill out the diagnosis sheet based on information from step 4.

The ABS warning lamp turned ON and speedometer did not move: Assume that a possible cause is no
communication between M&A and ABS. Draw a line between M&A and ABS. (Line 5-a in the figure).

The tachometer moved normally: Put check marks between ECM and M&A. The circuit between ECM and
M&A is functioning properly (check marks 5-b in the figure).

SKIB8735E

LAN-38

[CAN FUNDAMENTAL]

TROUBLE DIAGNOSES WORK FLOW

The circuit which has the most amount of lines are the possible cause. Error is detected from ABS actua-
tor and electric unit (control unit) branch line (shaded in the figure).

NOTE:
For abbreviations, refer to

LAN-41, "Abbreviation List"

Perform the inspection procedure for the possible cause. Refer to

LAN-67, "Malfunction Area Chart"

SKIB8896E