Isuzu KB P190. Manual — part 1393
8A-634 ELECTRICAL-BODY AND CHASSIS
No.
Connector face
No.
Connector face
X16
Black
DIODE
X17
Black
DIODE
CRUISE CONTROL SYSTEM 8B-1
SECTION 8B
CRUISE CONTROL SYSTEM
TABLE OF CONTENTS
PAGE
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..8B- 2
Brake Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...8B- 4
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...8B- 4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..8B- 4
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8B- 5
Clutch switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..8B- 5
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 8B- 5
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8B- 5
Starter Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8B- 5
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 8B- 5
Cruise Control Main Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 8B- 6
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...8B- 6
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..8B- 6
Cruise Control Switch (Combination Switch) . . . . . . . . . . . . . . . . . . 8B- 6
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 8B- 6
8B-2 CRUISE CONTROL SYSTEM
General Description
The cruise control keeps the vehicle running at a fixed speed until a signal canceling this fixed speed is received.
When the main switch “AUTO CRUISE” is turned on with the vehicle in the running mode, the battery voltage is
applied to the control unit (Engine control module). When a signal from the control unit while the vehicle is in this
state, the cruise control actuator is activated to operate the system. Also, while the system is operating, the cruise
control set indicator light in the meter assembly lights up.
RTU7Z0SH019601
1. SET/COAST Switch Function
1. Set Function: When the SET/COAST switch is pressed and released with the main switch on, the speed at
which the vehicle is running at that moment is stored in the memory, and the vehicle automatically runs at the
stored speed.
2. COAST-down Function: When the SET/COAST switch is kept on while the vehicle in running, the vehicle
decelerates during that time. The speed at which vehicle is running when the control switch is pressed in the
memory, and the vehicle automatically returns to the stored speed.
3. Tap-down Function: When the SET/COAST switch is pressed and released instantaneously while the
vehicle is running, the vehicle decelerates a mile for each on/off operation. The vehicle speed at which the
vehicle was running when the SET/COAST was released last is stored in the memory, and the vehicle
automatically returns to this stored speed.
2. RESUME/ACCEL Switch Function
1. Resume Function: When the RESUME/ACCEL switch is turned on/off after the system is temporarily
deactivated by pressing the brake or clutch pedal while the vehicle is running, the vehicle resumes the speed
stored before the system was released, and the vehicle automatically runs at the stored speed.
2. Accelerate Function: When the RESUME/ACCEL switch is kept on the vehicle accelerates its speed during
that time. The vehicle speed at which the vehicle was running when the switch was turned off is stored in the
memory, and the vehicle automatically returns to this speed.
3. Tap-up Function: When the RESUME/ACCEL switch is turned on and off instantaneously while the vehicle
is running, the vehicle decelerates a mile for each on/off operation. The vehicle speed at which the vehicle
was running when the switch was turned off last is stored in the memory, and the vehicle automatically
returns to this stored speed.
CRUISE CONTROL SYSTEM 8B-3
3. CANCEL Function
1. Temporary Cancellation:
• Brake pedal is pressed.
• Clutch pedal is pressed. (M/T)
• Select lever is shifted to any position other than “D”, “3”, “2” or “L”. (A/T)
• Cancel switch is operated.
• Vehicle speed exceeds about 20 km/h over the vehicle speed stored in the memory.
Turning the RESUME/ACCEL switch will return the vehicle to the speed stored in the cruise control memory.
2. Complete Cancellation:
• Starter switch or the main switch is turned off.
• Fail-safe function is activated.
• Vehicle speed is about 38 km/h.
• Speed becomes 20 km/h or less form the speed memorized by control unit.
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