Index Nissan Nissan Frontier D22 Pickup (1998-2004 year) - Service and Repair Manual
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AUTOMATIC SPEED CONTROL DEVICE (ASCD) ACS-5 C D E F G H I J L M A B ACS System Description EKS006XG Refer to Owner's Manual for ASCD operating instructions. POWER SUPPLY AND GROUND Power is supplied at all times ● through 15A fuse [No. 22, located in the fuse block (J/B)] (2–door models) or ● through 20A fuse [No. 22, located in the fuse block (J/B)] (4–door models) ● to the stop lamp switch terminal 1. When ignition switch is in the ON or START position, power is supplied ● through 10A fuse [No. 5, located in the fuse block (J/B)] ● to ASCD control unit terminal 5 ● through 7.5A fuse [No. 12, located in the fuse block (J/B)] ● to park/neutral position switch terminal 1, ● through 10A fuse [No. 11, located in the fuse block (J/B)] ● to combination meter terminals 32 and 38. When park/neutral position switch (A/T) is in the P or N position, ground is supplied ● to park/neutral position switch terminal 2 ● through ASCD relay terminal 1 ● to ASCD relay terminal 2 ● through body grounds M14 and M68. When ON·OFF switch is depressed (ON), ground is 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. ● to combination meter terminal 36 ● from ASCD control unit terminal 15. Ground is supplied ● to ASCD control unit terminal 17 ● through body grounds M14 and M68. OPERATION To activate the ASCD, all of following conditions must exist ● ASCD control unit receives ON·OFF switch ON signal. ● Power supply to ASCD control unit terminal 8 [Brake and clutch pedal is released (M/T), and brake pedal ● Vehicle speed is between 40 km/h (25 MPH) and 144 km/h (89 MPH). (Signal from combination meter.) When the COAST/SET switch is depressed, ground is supplied ● to ASCD control unit terminal 11, ● from ASCD steering switch terminal 13. Then ASCD motor actuator is activated to control throttle wire and ASCD control unit supplies ground ● to combination meter terminal 37 to illuminate SET indicator ● from ASCD control unit terminal 18. A/T Overdrive Control During Cruise Control Driving (A/T) When the vehicle speed is approximately 5 km/h (3 MPH) below set speed, a signal is sent ● from ASCD control unit terminal 10 ● to TCM terminal 24. |