2003 Nissan Xterra - Auto Cruise Control System (Section ACS) (24 pages)
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Manual Description
(SRS) AIR BAG” and SEAT BELT PRE-TENSIONER” 2, wiring Diagrams Trouble Diagnosis 2, aUTOMATIC SPEED CONTROL DEVICE (ASCD) 3, component Parts and Harness Connector Location 3.
POWER SUPPLY AND GROUND CIRCUIT 5, wiring Diagram — ASCD — 8, aSCD BRAKE/STOP LAMP SWITCH CHECK 15, aSCD MOTOR ACTUATOR CIRCUIT CHECK 18.
ASCD BRAKE SWITCH AND STOP LAMP, precautions for Supplemental Restraint System (SRS) AIR BAG” SEAT, 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 and SB section Service Manual, to avoid rendering the SRS inoperative, which could increase the risk of personal injury death.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system, do not use electrical test equipment on any circuit related to the SRS unless instructed, when you read wiring diagrams, refer following, "How to Read Wiring Diagrams".
"POWER SUPPLY ROUTING" power distribution circuit, when you perform trouble diagnosis, refer following, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES", "How to Perform Efficient Diagnosis an Electrical Incident".
Check for any Service bulletins before servicing vehicle, aUTOMATIC SPEED CONTROL DEVICE (ASCD), component Parts Harness Connector Location, refer to Owner's Manual ASCD operating instructions.
Power is supplied all times, to the stop lamp switch terminal 1, when ignition switch is in the ON or START position, power supplied, to ASCD control unit terminal 5.
To park/neutral position switch terminal 1, to combination meter terminals 32 38, when park/neutral position switch (A/T) is in the P or N position, ground supplied, to park/neutral position switch terminal 2.
Through ASCD relay terminal 1 to ASCD relay terminal 2, through body grounds M68 M14, when ASCD ON·OFF switch is depressed (ON), ground supplied, to ASCD control unit terminal 11.
From ASCD steering switch terminal 13, to ASCD steering switch terminal 14, from ASCD control unit terminal 24, then ASCD control unit illuminates CRUISE indicator.
From ASCD control unit terminal 15, to ASCD control unit terminal 17, through body grounds M14 M68, to activate the ASCD, all of following conditions must exist.
ASCD control unit receives ASCD ON·OFF switch ON signal, power supply to ASCD control unit terminal 8 [Brake and clutch pedal are released (M/T), brake, pedal is released and A/T selector lever is in other than P N position, vehicle speed is between 40 km/h (25 MPH) and 144 km/h (89 MPH).
When the COAST/SET switch is depressed, ground supplied, then ASCD motor actuator is activated to control throttle wire and ASCD control unit supplies ground, to combination meter terminal 37 illuminate SET indicator.
Manual Description
(SRS) AIR BAG” and SEAT BELT PRE-TENSIONER” 2, wiring Diagrams Trouble Diagnosis 2, aUTOMATIC SPEED CONTROL DEVICE (ASCD) 3, component Parts and Harness Connector Location 3.
POWER SUPPLY AND GROUND CIRCUIT 5, wiring Diagram — ASCD — 8, aSCD BRAKE/STOP LAMP SWITCH CHECK 15, aSCD MOTOR ACTUATOR CIRCUIT CHECK 18.
ASCD BRAKE SWITCH AND STOP LAMP, precautions for Supplemental Restraint System (SRS) AIR BAG” SEAT, 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 and SB section Service Manual, to avoid rendering the SRS inoperative, which could increase the risk of personal injury death.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system, do not use electrical test equipment on any circuit related to the SRS unless instructed, when you read wiring diagrams, refer following, "How to Read Wiring Diagrams".
"POWER SUPPLY ROUTING" power distribution circuit, when you perform trouble diagnosis, refer following, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES", "How to Perform Efficient Diagnosis an Electrical Incident".
Check for any Service bulletins before servicing vehicle, aUTOMATIC SPEED CONTROL DEVICE (ASCD), component Parts Harness Connector Location, refer to Owner's Manual ASCD operating instructions.
Power is supplied all times, to the stop lamp switch terminal 1, when ignition switch is in the ON or START position, power supplied, to ASCD control unit terminal 5.
To park/neutral position switch terminal 1, to combination meter terminals 32 38, when park/neutral position switch (A/T) is in the P or N position, ground supplied, to park/neutral position switch terminal 2.
Through ASCD relay terminal 1 to ASCD relay terminal 2, through body grounds M68 M14, when ASCD ON·OFF switch is depressed (ON), ground supplied, to ASCD control unit terminal 11.
From ASCD steering switch terminal 13, to ASCD steering switch terminal 14, from ASCD control unit terminal 24, then ASCD control unit illuminates CRUISE indicator.
From ASCD control unit terminal 15, to ASCD control unit terminal 17, through body grounds M14 M68, to activate the ASCD, all of following conditions must exist.
ASCD control unit receives ASCD ON·OFF switch ON signal, power supply to ASCD control unit terminal 8 [Brake and clutch pedal are released (M/T), brake, pedal is released and A/T selector lever is in other than P N position, vehicle speed is between 40 km/h (25 MPH) and 144 km/h (89 MPH).
When the COAST/SET switch is depressed, ground supplied, then ASCD motor actuator is activated to control throttle wire and ASCD control unit supplies ground, to combination meter terminal 37 illuminate SET indicator.
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