2015 Infiniti Q50 - Power Control System (Section PCS) (89 pages)

Model: 2015 Infiniti Q50
File size: 3.04 MB
Pages: 89 pages



Download Power Control System (Section PCS)

Manual Description
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" 3, precaution for Procedure without Cowl Top Cover 3, precautions for Removing Battery Terminal 4, iGNITION RELAY ON STUCK 33.

RELAY CONTROL SYSTEM : System Description 6, rELAY CONTROL SYSTEM : Fail-safe 7, iGNITION RELAY OFF STUCK 35, pOWER CONTROL SYSTEM : System Description 9.

POWER SUPPLY AND GROUND CIRCUIT 37 PCS, sIGNAL BUFFER SYSTEM : System Description 9, (SRS) "AIR BAG" "SEAT BELT PRE-TENSIONER"40, pOWER DISTRIBUTION SYSTEM : System Description 43.

COMMON ITEM : CONSULT Function (BCM COMMON ITEM) 45, iNTELLIGENT KEY : CONSULT Function (BCM INTELLIGENT KEY) 46, pUSH-BUTTON IGNITION SWITCH POSITION INDICATOR 85, dIAGNOSIS AND REPAIR WORK FLOW 60.

PROCEDURE FOR TEMPORARILY DISABLING THE IGNITION BATTERY SAVER, pUSH-BUTTON IGNITION SWITCH POSITION INDICATOR DOES NOT ILLUMINATE 88, precaution for Supplemental Restraint System (SRS) "AIR BAG" "SEAT BELT, the Supplemental Restraint System such as AIR BAG” and SEAT BELT PRE-TENSIONER”, used along.

With a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger certain, system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front, air bag, depending on the severity of a collision and whether the front occupants belted unbelted, information necessary to service the system safely is included in the SRS AIR BAG” and SEAT BELT”.

Always observe the following items preventing accidental activation, to avoid rendering the SRS inoperative, which could increase the risk of personal injury death, the event of a collision that would result in air bag inflation, all maintenance must be performed by, improper maintenance, including incorrect removal and installation of the SRS, can lead personal.

Injury caused by unintentional activation of the system, never use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual, pRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS, when working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with.

Ignition ON or engine running, never use air or electric power tools or strike near sensor(s) with, when using air or electric power tools or hammers, always switch the ignition OFF, disconnect, battery, and wait at least 3 minutes before performing any service, precaution for Procedure without Cowl Top Cover.

When performing the procedure after removing cowl top cover, cover, the lower end of windshield with urethane, etc prevent damage, when removing the 12V battery terminal, turn OFF ignition, switch and wait least 30 seconds.

Stops, then a DTC detection error or ECU data corruption may, for vehicles with the 2-batteries, be sure to connect the main battery and the sub battery before turning ON ignition switch, if the ignition switch is turned ON with any one terminals, main battery and sub battery disconnected, then DTC may be.

After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs erase DTC, the removal of 12V battery may cause DTC detection error, rELAY CONTROL SYSTEM : System Description, iPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request signals received from control units via CAN communication.

To prevent to the parts, IPDM E/R integrated relays cannot be removed, front wiper service position signal, *: BCM controls starter relay, when CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control.

Communication recovers normally, it also returns normal control, outputs the pulse duty signal (PWM signal) 100%when the ignition switch turned ON, outputs the pulse duty signal (PWM signal) 0%when the ignition switch turned OFF.



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