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Infiniti M35/M45 Y50. Manual - part 252

INTELLIGENT KEY SYSTEM

BL-77

Trouble Diagnosis Procedure

NIS001XG

WORK FLOW

CHECK IN

CHECK IN.

>> GO TO 2.

GET SYMPTOMS

Listen to customer complaints request. (Get symptoms)

NOTE:
If customer reports a “No start” condition, request all Intelligent Keys to be brought to the dealer in case of
Intelligent Key system malfunction.

Intelligent Key service request>>Refer to CONSULT-II operation manual.
Intelligent Key system is malfunctioning>>GO TO 3.

PERFORM SELF-DIAGNOSIS

Perform self-diagnosis of Intelligent Key system with CONSULT-II.

“SELF-DIAG RESULTS” are displayed>>GO TO

BL-79, "SELF-DIAGNOSTIC RESULTS"

“SELF-DIAG RESULTS” are not displayed>>GO TO 4.

CHECK FUNCTION OF INTELLIGENT KEY SYSTEM

Does all function of Intelligent Key system operate?

All function of Intelligent Key system does not operate>>GO TO

BL-84, "ALL FUNCTIONS OF INTELLI-

GENT KEY SYSTEM DOES NOT OPERATE"

Specific function of Intelligent Key system does not operate>>GO TO 5.

CHECK POWER DOOR LOCK OPERATION

Does door lock/unlock operation by door lock and unlock switch operate?

OK or NG

>> GO TO 6.

>> Refer to

BL-24, "POWER DOOR LOCK SYSTEM"

CHECK DOOR REQUEST SWITCH OPERATION

Does door lock/unlock operation by door request switch operate?

OK or NG

>> GO TO 7.

>> GO TO

BL-84, "DOOR LOCK/UNLOCK FUNCTION MALFUNCTION"

CHECK TRUNK OPEN OPERATION

Does the trunk open operation by the trunk opener switch operate?

OK or NG

>> GO TO 8.

>> Refer to

BL-207, "TRUNK LID OPENER"

BL-78

INTELLIGENT KEY SYSTEM

CHECK TRUNK OPENER REQUEST SWITCH OPERATION

Does the trunk open operation by the trunk opener request switch operate?

OK or NG

>> GO TO 9.

>> GO TO

BL-86, "TRUNK OPEN FUNCTION MALFUNCTION"

CHECK REMOTE KEYLESS FUNCTION

Does the following operation by the Intelligent Key remote control button operate?

●

Door lock/unlock function

●

Trunk open function

●

Panic alarm function

OK or NG

>> GO TO 10.

>> GO TO

BL-85, "REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION"

10.

CHECK POWER WINDOW OPERATION

Does power window operation by power window main switch operate?
OK or NG

>> GO TO 11.

>> Refer to

GW-14, "POWER WINDOW SYSTEM"

11.

CHECK POWER WINDOW DOWN FUNCTION

Does power window down function by Intelligent Key remote control button operate?

OK or NG

>> GO TO 12.

>> GO TO

BL-88, "POWER WINDOW DOWN FUNCTION MALFUNCTION"

12.

CHECK HAZARD AND BUZZER REMINDER FUNCTION BY REQUEST SWITCH

Does hazard and buzzer reminder function by the following switches operate?

●

Door request switches

●

Trunk opener request switch

OK or NG

>> GO TO 13.

>> GO TO

BL-87, "HAZARD AND BUZZER REMINDER FUNCTION MALFUNCTION"

13.

CHECK HAZARD AND HORN REMINDER FUNCTION BY INTELLIGENT KEY BUTTON

Does hazard and horn reminder function by Intelligent Key button operate?

OK or NG

>> GO TO 14.

>> GO TO

BL-87, "HAZARD AND HORN REMINDER FUNCTION MALFUNCTION"

14.

CHECK WARNING FUNCTION

Does warning function operate? Refer to

BL-54, "WARNING FUNCTION"

OK or NG

>> GO TO 15.

>> Refer to

BL-88, "WARNING FUNCTION MALFUNCTION"

INTELLIGENT KEY SYSTEM

BL-79

15.

CHECK OUT

CHECK OUT.

>> INSPECTION END

CONSULT-II Functions (INTELLIGENT KEY)

NIS001XH

CONSULT-II can display each diagnostic item using the diagnostic test modes as shown below.

CONSULT-II Inspection Procedure

NIS001XI

CAUTION:

If CONSULT-II is used with no connection CONSULT-II CONVERTER, malfunctions might be detected
in self-diagnosis depending on control unit which performs CAN Communication.

BASIC OPERATION

Refer to

GI-38, "CONSULT-II Start Procedure"

CONSULT-II Application Items

NIS001XJ

SELF-DIAGNOSTIC RESULTS
How to Read SELF-DIAGNOSTIC RESULTS

Part to be diagnosed

Test item, Diagnosis mode

Description

Intelligent Key

WORK SUPPORT

Changes settings for each function.

SELF-DIAG RESULTS

Intelligent Key unit performs CAN communication diagnosis.

DATA MONITOR

Displays Intelligent Key unit input data in real time.

CAN DIAGNOSTIC SUPPORT
MONITOR

The results of transmit/receive diagnosis of CAN Communication can
be read.

ACTIVE TEST

Operation of electrical loads can be checked by sending driving signal
to then.

ECU PART NUMBER

Displays Intelligent Key unit part No.

PIIB6280E

Suspect Systems

[DTC]

Diagnostic item is detected when...

Repair work

Reference page

CAN COMM CIRCUIT
[U1000]

Malfunction is detected in CAN communication

Perform CAN communi-
cation system inspection

BL-90

CONTROL UNIT (CAN)
[U1010]

Malfunction is detected in CAN communication caused
by Intelligent Key unit internal malfunction

Replace Intelligent Key
unit.

BL-90

BL-80

INTELLIGENT KEY SYSTEM

CAUTION:

When CAN COMM [U1000] and CONTROL UNIT (CAN) [U1010] are displayed, give priority to performing trouble diagnosis.

DATA MONITOR

STRG COMM 1
[B2013]

Communication malfunction with steering lock unit is
detected

Check steering lock unit

BL-155

STEERING LOCK UNIT
[B2551]

Even if the communication with steering lock unit is
normally performed, the steering lock is malfunctioning

Replace steering lock
unit

BL-157

INTELLIGENT KEY
[B2552]

Internal malfunction is detected in Intelligent Key unit

Replace Intelligent Key
unit.

BL-161

IGN POWER CIRCUIT
[B2553]

It continues for 2 seconds or more that ON power sup-
ply input to Intelligent Key unit is excessively low when
the power supply position is in ON position

Check Intelligent Key
unit ON power supply
input

BL-161

ACC POWER CIRCUIT
[B2554]

It continues for 2 seconds or more that ACC power
supply input to Intelligent Key unit is excessively low
when the power supply position is in ACC or ON posi-
tion

Check Intelligent Key
unit ACC power supply
input

BL-162

STOP LAMP CIRCUIT
[B2555]

5V or less is detected at both the stop lamp switch sig-
nal input circuit that is input to Intelligent Key unit and
the monitor input before stop lamp switch

Check stop lamp switch

BL-165

ENG START SW
[B2556]

Condition that push-button ignition switch is pushed is
detected continuously for 100 seconds or more

Check push-button igni-
tion switch

BL-166

VEHICLE SPEED
[B2557]

Some differences occur on one or more vehicle speed
inputs of Intelligent Key unit

Check vehicle speed sig-
nal

BL-167

SHIFT POSITION
[B2558]

●

There is a difference between the shift position input
via CAN communication and the P position input by
detente switch

●

Vehicle speed (5 km/h or more) is detected continu-
ously for 10 seconds or more even if the shift posi-
tion is detected in P position when the power supply
position is in ON position

Check shift position input

BL-170

PDU
[B2559]

Internal malfunction is detected in PDU

Replace PDU

BL-172

START POW SUP CIRC
[B2560]

Though the engine start operation is not performed,
starter relay in IPDM E/R is ON

Check starter power sup-
ply

BL-172

LOW VOLTAGE
[B2562]

Battery power supply input to Intelligent Key unit (8.8V
or less) is detected continuously for 1.5 seconds or
more