2007 INFINITI M35 Factory Service Manual

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Page 1105 of 4647

INFINITI M35 2007 Factory Service Manual BL-172
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2007 April2007 M35/M45
4. CHECK TCM SIGNAL
Check Intelligent Key unit connector and ground.
OK or NG
OK >> Check the condition of harness

Page 1106 of 4647

INFINITI M35 2007 Factory Service Manual INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-173
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Revision: 2007 April2007 M35/M45
TERMINALS AND REFERENCE VALUE
Intelligent Key Unit
PDU (Power Distribution Unit)
SELF-DIA

Page 1107 of 4647

INFINITI M35 2007 Factory Service Manual BL-174
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2007 April2007 M35/M45
2. CHECK HARNESS CONTINUITY 2
1. Disconnect IPDM E/R connector.
2. Check continuity between power distribution unit

Page 1108 of 4647

INFINITI M35 2007 Factory Service Manual INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
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Revision: 2007 April2007 M35/M45
DTC B2562 LOW VOLTAGENIS001YY
DIAGNOSIS DESCRIPTION
B2562 battery low voltage monitors th

Page 1109 of 4647

INFINITI M35 2007 Factory Service Manual BL-176
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2007 April2007 M35/M45
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit connector

Page 1110 of 4647

INFINITI M35 2007 Factory Service Manual INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
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DIAGNOSTIC PROCEDURE
1. CHECK POWER SUPPLY CIRCUIT
1. Start engine.
2. Check voltage betw

Page 1111 of 4647

INFINITI M35 2007 Factory Service Manual BL-178
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2007 April2007 M35/M45
Trouble Diagnosis Symptom Chart 2NIS001Z1
When performing the push-button ignition switch operation when the Intell

BL-178
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Revision: 2007 April2007 M35/M45
Trouble Diagnosis Symptom Chart 2NIS001Z1
When performing the push-button ignition switch operation when the Intelligent Key is carried, there is a time
difference in the power supply position switching (the power supply changes in approximately 3 seconds)
CAUTION:
Follow Trouble Diagnosis Flowchart referring to “Diagnosis Procedure”. Determine malfunction-
ing condition before performing this diagnosis.
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting
diagnosis.
Check systems shown in the “Diagnosis/service procedure” column in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
Another Intelligent Key or foreign materials are not inserted in the key slot.
NOTE:
If another Intelligent Key or foreign materials are inserted at push-button ignition switch operation, perform the
immobilizer ID verification first. When the immobilizer ID verification cannot be performed, the system
switches to the Intelligent Key ID verification. Therefore, there is the time difference in the push-button ignition
switch operation.
Trouble Diagnosis Symptom Chart 3NIS001Z2
When performing the push-button ignition switch operation when the Intelligent Key is inserted into the key
slot, there is the time difference in the power supply position switching (the power supply changes in approxi-
mately 3 seconds)
CAUTION:
Follow Trouble Diagnosis Flowchart referring to “Diagnosis Procedure”. Determine malfunction-
ing condition before performing this diagnosis.
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting
diagnosis.
Check systems shown in the “Diagnosis/service procedure” column in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
A device emitting electromagnetic signals such as a portable telephone or a radio is not used around the
key slot.
The Intelligent Key is inserted into the key slot until it clicks.
NOTE:
If another Intelligent Key is inserted at push-button ignition switch operation, perform the immobilizer ID verifi-
cation first. When the immobilizer ID verification cannot be performed, the system switches to the Intelligent
Key ID verification. Therefore, there is the time difference in the push-button ignition switch operation.
Diagnosis/service procedure Reference page
1. Check key switch built in key slotBL-184
2. Replace Intelligent Key unit.BL-123
Diagnosis/service procedure Reference page
1. Check NATS antenna amp. built in key slotBL-186
2. Replace Intelligent Key unit.BL-123

Page 1112 of 4647

INFINITI M35 2007 Factory Service Manual INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
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Revision: 2007 April2007 M35/M45
Check CAN Communication SystemNIS001Z3
1. CHECK SELF-DIAGNOSTIC RESULTS
CAUTION:
If CONSU

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