INFINITI FX35 2005 Service Manual

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Revision: 2005 July 2005 FX
Example of Filling in Check Sheet When Initial Conditions Are Reproduced
1. Put a check mark to “No indication” if some of unit names listed on the column of diagnosis system selec-
tion screen of a check sheet table are not displayed on “SELECT SYSTEM” screen attached to the check
sheet.
NOTE:
Put a check mark to “No indication” of AUTO DRIVE POS. and IPDM E/R because AUTO DRIVE POS.
and IPDM E/R is not displayed on “SELECT SYSTEM” screen.
2. Confirm the unit name that “UNKWN” is displayed from the copy of “CAN DIAG SUPPORT MNTR” screen of “ENGINE” attached to the check sheet, and then put a check mark to the check sheet table.
NOTE:
In “CAN DIAG SUPPORT MNTR” screen, “UNKWN” is displayed on “ICC”, “IPDM E/R” and “AWD/4WD/
e4WD”. But put a check mark to “IPDM E/R” because “UNKWN” is listed on the column of reception diag-
nosis of the check sheet table.
3. Confirm the unit name that “UNKWN” is displayed on the copy of “CAN DIAG SUPPORT MNTR” screen of “A/T” as well as “ENGINE”. And then, put a check mark to the check sheet table.
NOTE:

For “A/T”, “UNKWN” is displayed on “AWD/4WD”. But, do not put a check mark to their columns of
reception diagnosis of the check sheet table because “UNKWN” is not listed.
PKIB5978E

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4. Display unit reads the CAN diagnosis monitor check sheet (B) AV- 8 5 , "CAN Communication Line Inspec-
tion" transferred from the display screen (A). The transferred CAN diagnosis monitor check sheet is cop-
ied to the Check sheet, and conversed according to the Display unit Translation Sheet. And then put a
check mark to the check sheet table.
NOTE:
In the CAN diagnosis monitor check sheet (B), check marks are put to “CAN7”. But, in the column of the
check sheet table indication in Display unit Translation Sheet (C), “IPDM E/R” is listed only for “CAN7”.
Therefore, put a check mark to “IPDM E/R” because “UNKWN” is listed on the column of reception diag-
nosis of the check sheet table.
PKIB5979E

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5. Confirm the unit name that “UNKWN” is displayed on the copy of “CAN DIAG SUPPORT MNTR” screen
of “BCM”, “METER A/C AMP” and “ABS” as well as “ENGINE”. And then, put a check mark to the check
sheet table.
NOTE:

For “BCM”, “UNKWN” is displayed on “IPDM E/R” and “I-KEY”. But put a check mark to “IPDM E/R”
because “UNKWN” is listed on the column of reception diagnosis on the check sheet table.

For “METER A/C AMP”, “UNKWN” is not displayed. Do not put a check to it.

For “ABS”, “UNKWN” is displayed on “METER/M&A” and “ICC”. But, do not put a check mark to their
columns of reception diagnosis of the check sheet table because “UNKWN” is not listed.
PKIB5980E

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NOTE:
There is a case that some of “CAN DIAG SUPPORT MNTR” and “SELF-DIAG RESULTS” are not needed for
diagnosis. In the case, “UNKWN” and “CAN COMM CIRCUIT(U1000)” in “Check sheet results (example)”
change to “–”. Then, ignore check marks on the Check sheet table.
6. Perform system diagnosis for possible causes identified.
7. Perform diagnosis again after inspection and repair. Make sure that repair is completely performed, and then end the procedure.
Start CAN system trouble diagnosis if this procedure can be confirmed. Refer to LAN-30, "
CAN Communica-
tion Unit" .
PKIB5981E

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Revision: 2005 July 2005 FX
Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced
1. See “SELF-DIAG RESULTS” of all units attached to the check sheet. If “CAN COMM CIRCUIT [U1000]”
or “CAN COMM CIRCUIT [U1001]” is displayed, put a check mark to the applicable column of self-diag-
nostic results of the check sheet table.
NOTE:

For “ENGINE”, “CAN COMM CIRCUIT [U1001]” are displayed. Put a check mark to it.

For “A/T”, “CAN COMM CIRCUIT [U1000]” are displayed. Put a check mark to it.

For “BCM”, “NO DTC IS DETECTED” is displayed. Do not put a check mark to it.

For “METER A/C AMP”, “CAN COMM CIRCUIT [U1000]” are displayed. Put a check mark to it.

For “ABS”, “CAN COMM CIRCUIT [U1000]” are displayed. Put a check mark to it.

For “AUTO DRIVE POS.”, “CAN COMM CIRCUIT [U1000]” are displayed. Put a check mark to it.

For “IPDM E/R”, “CAN COMM CIRCUIT [U1000]” is displayed. Put a check mark to it.
PKIB5982E

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NOTE:
There is a case that some of “CAN DIAG SUPPORT MNTR” and “SELF-DIAG RESULTS” are not needed for
diagnosis. In the case, “UNKWN” and “CAN COMM CIRCUIT(U1000)” in “Check sheet results (example)”
change to “–”. Then, ignore check marks on the Check sheet table.
2. For the selected possible causes, it is expected that malfunctions have been found in the past.
PKIB5983E

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Revision: 2005 July 2005 FX
CAN Diagnostic Support MonitorAKS00CBP
DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN FOR ECM
Display Results (Present)

OK: Normal

NG: Malfunction

UNKWN: The diagnosed unit does not transmit or receive the applicable data normally.
SKIB0591E
“SELECT SYSTEM”
screen “CAN DIAG SUPPORT
MNTR” screen Description Present
ENGINE INITIAL DIAG Make sure that microcomputer in ECU works normally. OK/NG
TRANSMIT DIAG Make sure of normal transmission. OK/UNKWN
TCM Make sure of normal reception from TCM. OK/UNKWN
VDC/TCS/ABS Make sure of normal reception from ABS actuator and electric unit
(control unit). OK/UNKWN
METER/M&A Make sure of normal reception from unified meter and A/C amp. OK/UNKWN
ICC Make sure of normal reception from ICC unit. OK/UNKWN
BCM/SEC Make sure of normal reception from BCM. OK/UNKWN
IPDM E/R Make sure of normal reception from IPDM E/R. OK/UNKWN
AWD/4WD/e4WD AWD/4WD/e4WD is not diagnosed. UNKWN
EPS EPS is not diagnosed. UNKWN

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DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN
FOR TCM
Display Results (Present)

OK: Normal

NG: Malfunction

UNKWN: The diagnosed unit does not transmit or receive the applicable data normally.
PKIA9892E
“SELECT SYSTEM”
screen “CAN DIAG SUPPORT
MNTR” screen Description Present
A/T INITIAL DIAG Make sure that microcomputer in ECU works normally. OK/NG
TRANSMIT DIAG Make sure of normal transmission. OK/UNKWN
ECM Make sure of normal reception from ECM. OK/UNKWN
VDC/TCS/ABS Make sure of normal reception from ABS actuator and electric unit
(control unit). OK/UNKWN
METER/M&A Make sure of normal reception from unified meter and A/C amp. OK/UNKWN
ICC/e4WD Make sure of normal reception from ICC unit. OK/UNKWN
AWD/4WD Make sure of normal reception from AWD control unit. OK/UNKWN

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DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN
FOR DISPLAY CONTROL UNIT
Display Results (Present)

OK: Normal

NG: Malfunction

UNKWN: The diagnosed unit does not transmit or receive the applicable data normally.
Display Results: Error Counter (Reference)

0: It is normal now.

1 ~ 50: Displays when it finds malfunction in the past even if it is normal or there is a malfunction at present. Also, display s when diag-
nosis is not performed. It increase like 0 →1→ 2...49 →50 after returning to the normal condition whenever IGN OFF →ON. If it is over
50, it is fixed to 50 until the self-diagnostic results are erased. Keep this condition until resetting it.
SKIB0645E
Unit name Diagnosis item Description “CAN DIAG
SUPPORT
MONITOR”
screen Error
counter
(Reference)
Display control unit CAN COMM Make sure that microcomputer in ECU works normally. OK/NG
0/1~50
CAN CIRC 1 Make sure of normal transmission. OK/UNKWN
CAN CIRC 2 Make sure of normal reception from BCM. OK/UNKWN
CAN CIRC 3 Make sure of normal reception from ECM. OK/UNKWN
CAN CIRC 4 CAN CIRC 4 is not diagnosed. OK/UNKWN
CAN CIRC 5 Make sure of normal reception from unified meter and A/C amp. OK/UNKWN
CAN CIRC 6 CAN CIRC 6 is not diagnosed. OK/UNKWN
CAN CIRC 7 Make sure of normal reception from IPDM E/R. OK/UNKWN
CAN CIRC 8 CAN CIRC 8 is not diagnosed. OK/UNKWN
CAN CIRC 9 CAN CIRC 9 is not diagnosed. OK/UNKWN

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DESCRIPTION OF “CAN DIAG MNTR” SCREEN FOR DIS-
PLAY UNIT
Display Results (Present)

OK: Normal

NG: Malfunction

UNKWN: The diagnosed unit does not transmit or receive the applicable data normally.
SKIB2447E
Unit name Diagnosis item Description “CAN DIAG MNTR” screen
Display unit CANCOMM Make sure that microcomputer in ECU works normally. OK/NG
CAN1 Make sure of normal transmission. OK/UNKWN
CAN2 Make sure of normal reception from BCM. OK/UNKWN
CAN3 Make sure of normal reception from ECM. OK/UNKWN
CAN4 CAN CIRC 4 is not diagnosed. OK/UNKWN
CAN5 Make sure of normal reception from unified meter and A/C amp. OK/UNKWN
CAN6 CAN CIRC 6 is not diagnosed. OK/UNKWN
CAN7 Make sure of normal reception from IPDM E/R. OK/UNKWN
CAN8 CAN CIRC 8 is not diagnosed. OK/UNKWN
CAN9 CAN CIRC 9 is not diagnosed. OK/UNKWN