Acura CSX. Manual — part 509
Security Alarm System
Key-in Reminder
Key Interlock (A/T)
Answer Back Response Operation
Wiper/Washer
Collision Detection Signal (CDS)
Input
Output
Input
Output
Input
Output
Input
Output
Input
Output
Input
Output
22-87
The MICU controls the lighting system and horn based upon B-CAN signals and input signals from the each switch.
MICU
IG1 power supply
Ignition key switch
Audio switch
Driver’s door switch
Front passenger’s door switch
Left rear door switch
Right rear door switch
Trunk lid latch switch
Driver’s door key cylinder switch (UNLOCK)
Driver’s door lock knob switch (UNLOCK)
Front passenger’s door lock knob switch (UNLOCK)
Left rear door lock knob switch (UNLOCK)
Right rear door lock knob switch (UNLOCK)
Hood switch
Horn
Headlights
Parking lights
Side marker lights
License plate lights
Taillights
B-CAN
Keyless LOCK signal
Door lock signal
The MICU controls the door lock actuators based upon ignition key switch, the driver’s door switch, and driver’s door lock knob switch signals.
MICU
Ignition key switch
Driver’s door switch
Driver’s door lock knob switch
Door lock actuator (LOCK/UNLOCK)
Driver’s door lock actuator (UNLOCK)
The MICU controls the key interlock solenoid based upon IG1, transmission range switch, and park-pin switch signals.
MICU
Ignition switch ACC
Transmission range switch (P position)
Park-pin switch
Key interlock solenoid
The MICU controls the lighting system and horn based upon B-CAN signals.
B-CAN
Answer back signals (headlight low, horn, parking lights)
Horn
Headlights
Parking lights
Side marker lights
License plate lights
Taillights
The MICU controls the wiper motor and the washer motor based upon IG1 and wiper/washer switch signals.
MICU
IG1 power supply
Wiper switch (INT and LO)
Wiper switch (LO and HI)
Wiper switch (MIST)
Washer switch
Wiper intermittent speed
Wiper motor
Washer motor
The MICU controls the door lock actuators based upon IG1 and B-CAN signals.
MICU
IG1 power supply
Door lock (LOCK/UNLOCK)
B-CAN
SRS signal (front, side and rear)
Impact sensors
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−
−
HDS Inputs and Commands
Input:
System Menu
Data List
Data List Indication
22-88
Multiplex Integrated Control System
Certain inputs happen so quickly that the HDS cannot update fast enough. Hold the switch that is being tested while monitoring the Data List.
This should give the HDS time to update the signal on the Data List.
Because the HDS software is updated to support the release for newer vehicles it is not uncommon to see system function tests that are not
supported.
Make sure that the most current software is loaded.
Gauges
Cruise Control Main Switch
OFF/ON
Cruise Control Set Switch
OFF/ON
Cruise Control Resume Switch
OFF/ON
Washer Fluid Level Switch
OFF/ON
VSA/TCS Off Switch
OFF/ON
Gauge Select/Reset Switch
OFF/ON
Parking Brake Switch
OFF/ON
Brake Fluid Level Switch
OFF/ON
Illumination Volume Plus Switch
OFF/ON
Illumination Volume Minus Switch
OFF/ON
Km/h mph Select Switch
OFF/ON
Fuel Sending Unit Input 1
deg
Fuel Sending Unit Input 2
VOLTAGE
VSA/TCS Active Indicator
OFF/ON
VSA/TCS Indicator (Warning)
OFF/ON
ABS Indicator
OFF/ON
Cruise Control Main Switch Indicator
OFF/ON
MIL Indicator
OFF/ON
Washer Fluid Level Indicator
OFF/ON
DRL Indicator
OFF/ON
Low Oil Pressure Indicator
OFF/ON
Charging System Indicator
OFF/ON
Cruise Main Switch ON Indicator
OFF/ON
Maintenance Minder Indicator
OFF/ON
High Beam Indicator
OFF/ON
Parking Light ON Indicator
OFF/ON
Low Fuel Warning Indicator
OFF/ON
Security Indicator
OFF/ON
Fog Light Indicator
OFF/ON
Seat Belt Indicator
OFF/ON
Speed Indicator (km/h)
0
249 km/h, over 250 km/h, Fail
Speed Indicator (mph)
0
154 mph, over 155 mph, Fail
Low Tire Pressure Indicator
OFF/ON
TPMS Indicator
OFF/ON
A/T Gear Position Switch (R)
OFF/ON
A/T Gear Position Switch (P)
OFF/ON
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System Menu
Data List
Data List Indication
22-89
Lighting
Driver’s Door Switch
OFF/ON
Hazard Switch
OFF/ON
Headlight Switch (OFF)
OFF/ON
Headlight Switch (PARKING)
OFF/ON
Headlight Switch (HEADLIGHT)
OFF/ON
Headlight Switch (High Beam)
OFF/ON
Headlight Switch (PASSING)
OFF/ON
Turn Signal Switch (LEFT)
OFF/ON
Turn Signal Switch (RIGHT)
OFF/ON
Fog Light Switch
OFF/ON
Ignition Key Cylinder Light Command
OFF/ON
Interior Light Command
OFF/ON
Left Turn Signal Command
OFF/ON
Right Turn Signal Command
OFF/ON
Headlight Command
OFF/ON
Headlight High Beam Command
OFF/ON
Parking Light Command
OFF/ON
Fog Light Command
OFF/ON
DRL Command
OFF/ON
Door Locks
Driver’s Door Switch
OFF/ON
Front Passenger’s Door Switch
OFF/ON
Driver’s Rear Door Switch
OFF/ON
Passenger’s Rear Door Switch
OFF/ON
Front Passenger’s Door Lock Sw. (LOCK)
OFF/ON
Front Passenger’s Door Lock Sw. (UNLOCK)
OFF/ON
Front Passenger’s Door Lock Knob Sw. (UNLOCK)
OFF/ON
Driver’s Rear Door Lock Knob Switch (UNLOCK)
OFF/ON
Passenger’s Rear Door Lock Knob Sw. (UNLOCK)
OFF/ON
Driver’s Door Key Cylinder Switch (LOCK)
OFF/ON
Driver’s Door Key Cylinder Switch (UNLOCK)
OFF/ON
Driver’s Door Lock Switch (LOCK)
OFF/ON
Driver’s Door Lock Switch (UNLOCK)
OFF/ON
Driver’s Door Lock Knob Switch (LOCK)
OFF/ON
Driver’s Door Lock Knob Switch (UNLOCK)
OFF/ON
Door LOCK Command
OFF/ON
Door UNLOCK Command
OFF/ON
Driver’s Door UNLOCK Command
OFF/ON
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−
System Menu
Data List
Data List Indication
22-90
Multiplex Integrated Control System
Keyless
Driver’s Door Switch
OFF/ON
Front Passenger’s Door Switch
OFF/ON
Driver’s Rear Door Switch
OFF/ON
Passenger’s Rear Door Switch
OFF/ON
Trunk Lid/Tailgate Switch
OFF/ON
Front Passenger’s Door Lock Sw. (LOCK)
OFF/ON
Front Passenger’s Door Lock Sw. (UNLOCK)
OFF/ON
Front Passenger’s Door Lock Knob Sw. (UNLOCK)
OFF/ON
Driver’s Rear Door Lock Knob Switch (UNLOCK)
OFF/ON
Passenger’s Rear Door Lock Knob Sw. (UNLOCK)
OFF/ON
Trunk Key Cylinder (UNLOCK)
OFF/ON
Driver’s Door Key Cylinder Switch (LOCK)
OFF/ON
Driver’s Door Key Cylinder Switch (UNLOCK)
OFF/ON
Driver’s Door Lock Switch (LOCK)
OFF/ON
Driver’s Door Lock Switch (UNLOCK)
OFF/ON
Driver’s Door Lock Knob Switch (LOCK)
OFF/ON
Driver’s Door Lock Knob Switch (UNLOCK)
OFF/ON
Door LOCK Command
OFF/ON
Door UNLOCK Command
OFF/ON
Driver’s Door UNLOCK Command
OFF/ON
Wipers
Brake Pedal Position Switch
OFF/ON
Windshield Wiper Switch (LOW)
OFF/ON
Windshield Wiper Switch (HIGH)
OFF/ON
Windshield Wiper Switch (MIST)
OFF/ON
Windshield Wiper Switch (INT)
OFF/ON
Windshield Washer Switch
OFF/ON
Windshield Wiper Motor PARK Switch
OFF/ON
Intermittent Wiper Dwell Timer
0.0
1.0 k
/OPEN
Windshield Wiper Motor HI Command
OFF/ON
Windshield Wiper Motor LO Command
OFF/ON
Windshield Washer Motor Command
OFF/ON
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