IVMS Communication Inspection

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

IVMS contains the IVMS communication diagnosis and wake-up diagnosis.

IVMS Communication Diagnosis

IVMS communication diagnosis consists of the communication diagnosis, sleep diagnosis, and inactive communication diagnosis between BCM and each local unit (LCU), and display the result on the CONSULT-II screen.
NOTE: Sleep is a power saving function when a vehicle is stationary (all BCM related electrical equipment: OFF, and the timer: OFF).
The function also stores the communication malfunction records and inactive communication records, and displays the data on the CONSULT-II screen (Malfunction record diagnosis)

Fig 1: IVMS Communication Diagnosis
Courtesy of NISSAN MOTOR CO., U.S.A.

*: malfunctioning item record

Operation Procedure

Touch "IVMS-COMM CHECK" on "SELECT TEST ITEM."
Touch "IVMS-COMM DIAGNOSIS" on "SELECT DIAG ITEM" screen.
Touch "START" on "IVMS-COMM DIAGNOSIS" screen to start the diagnosis.
After the diagnosis is completed, the malfunctioning system is displayed.
When the malfunctioning items are displayed, touch "PRINT" to record.
Touch "ERASE".
Perform the communication inspection again to make sure that any malfunctioning item is displayed.
Check the displayed items.

Wake-Up Diagnosis

The wake-up diagnosis is carried out when BCM detects the wake-up signal from each local unit (LCU). When the switch shown on the screen is operated as instructed, each local control unit (LCU) outputs the wake-up signal. If BCM cannot detect a wake-up signal, it is judged malfunctioning. The malfunctioning local control unit (LCU) is displayed on the screen.

NOTE: If any unspecified switch is operated, "Switch data not match" is displayed as a malfunctioning system.

Operation Procedure

Touch "IVMS-COMM CHECK" on "SELECT TEST ITEM" screen.
Touch "WAKE-UP DIAGNOSIS" on "SELECT DIAG ITEM" screen.
Touch "START" on "WAKE-UP DIAGNOSIS" screen to start the diagnosis.
Touch "NEXT" to select the local control unit (LCU) to be diagnosed.
Check that any malfunction is displayed. If necessary, touch "PRINT" to record.
Preform the inspection to the malfunctioning item.

Malfunction Code Table

Fig 2: Malfunction Code Table

Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE:

For a specific local control unit (LCU), either "PAST COMM DATA" or "PAST NO RESPONSE" may be displayed instead of the above results. This is caused by the data record, so erase the records.
(The display only shows the incident records, they are not malfunctions caused during the diagnosis. One possible cause is that an reproducible incident occurred.)
Follow the steps below to erase the memory
Perform either disconnect BCM battery power supply or erase memory with CONSULT-II.
With the battery connected, if the local control unit (LCU) connector is disconnected and left for approximately 1 minute, the BCM stores "NO RESPONSE" record.