2006 INFINITI M35 Factory Service Manual

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Page 1105 of 5621

INFINITI M35 2006 Factory Service Manual BL-166
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2006 January2006 M35/M45
DIAGNOSTIC PROCEDURE
1. CHECK POWER SUPPLY CIRCUIT 1
With CONSULT-II
Check (“IGN ACC SW”) in DATA MONITOR mo

Page 1106 of 5621

INFINITI M35 2006 Factory Service Manual INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-167
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Revision: 2006 January2006 M35/M45
3. CHECK POWER SUPPLY CIRCUIT 2
1. Connect Intelligent Key unit and power distribution

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-167
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Revision: 2006 January2006 M35/M45
3. CHECK POWER SUPPLY CIRCUIT 2
1. Connect Intelligent Key unit and power distribution unit connector.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Check the condition of harness and conenctor. If it is
OK, check the self-diagnosis results using CONSULT-II
again.
NG >> Check the following.
10A fuse [No.6, located in the fuse block (J/B)]
Harness for open or short between fuse and Intelligent Key unit.
DTC B2555 STOP LAMP CIRCUITNIS001YS
DIAGNOSIS DESCRIPTION
B2555 stop lamp system monitors the open circuit before the stop lamp switch (models without ICC system),
which detects the brake pedal operation input to the Intelligent Key unit, or ICC brake relay (models with ICC
system). If it detects the open circuit, it judges that it is the malfunction and displays the DTC (Diagnostic Trou-
ble Code)
TERMINALS AND REFERENCE VALUE FOR INTELLIGENT KEY UNIT INPUT
CONSULT-II DATA MONITOR STANDARD VALUE
SELF-DIAGNOSTIC LOGIC
Terminals
Ignition
switch
conditionVoltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTe r m i n a l
M32 30 GroundACC Battery voltage
OFF 0
PIIB6237E
Te r m i -
nal
No.Wire
colorItemCondition
Voltage (V)
(Approx.) Push-
button
ignition
switch
positionOperation or conditions
11 P Stop lamp switch —Brake pedal depressed Battery voltage
Brake pedal released Battery voltage
29 V/R Stop lamp switch —Brake pedal depressed Battery voltage
Brake pedal released 0
Monitor item Measuring condition Reference value
STOP LAMPBrake pedal is depressed ON
Brake pedal is released OFF
DTC Self-diagnosis name DTC detecting condition Possible causes
B2555 STOP LAMP CIRCUIT5V or less is detected at both the stop lamp switch signal
input circuit that is input to Intelligent Key unit and the
monitor input before stop lamp switch
10A fuse
Harness and connector
(Open in the circuit
between the units)

Page 1107 of 5621

INFINITI M35 2006 Factory Service Manual BL-168
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2006 January2006 M35/M45
DIAGNOSTIC PROCEDURE
1. CHECK STOP LAMP SIGNAL
With CONSULT-II
Check (“STOP LAMP SW”) in DATA MONITOR mode w

Page 1108 of 5621

INFINITI M35 2006 Factory Service Manual INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-169
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Revision: 2006 January2006 M35/M45
DIAGNOSTIC PROCEDURE
1. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Discon

Page 1109 of 5621

INFINITI M35 2006 Factory Service Manual BL-170
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2006 January2006 M35/M45
TERMINALS AND REFERENCE VALUE FOR INTELLIGENT KEY UNIT
SELF-DIAGNOSTIC LOGIC
DIAGNOSTIC PROCEDURE
1. CHECK VEHICL

Page 1110 of 5621

INFINITI M35 2006 Factory Service Manual INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-171
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Revision: 2006 January2006 M35/M45
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key

Page 1111 of 5621

INFINITI M35 2006 Factory Service Manual BL-172
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2006 January2006 M35/M45
DTC B2558 SHIFT POSITIONNIS001YV
DIAGNOSIS DESCRIPTION
B2558 shift position input system monitors the A/T

Page 1112 of 5621

INFINITI M35 2006 Factory Service Manual INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
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Revision: 2006 January2006 M35/M45
2. CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect Intelligent Ke

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