TERMINAL VOLTAGE REFERENCE CHART



KOS-ECU TERMINAL CHECK




Terminal number
Check items
Check conditions
Normal conditions
1
CAN H
-
-
2
CAN L
-
-
3
-
-
-
4
Steering handle unit signal output
When the ignition switch is operated
0 to 5 V (pulse signal)
5
Steering handle unit power supply
Always
5 V
6
Interior transmitter antenna assembly (front and rear) and exterior transmitter antenna assembly (driver’s side, front passenger’s side, and tailgate) earth
Always
0 V
7
Receiver antenna module power supply
Always
5 V
8
Push switch inside the steering handle lock
Push switch inside the steering handle lock: ON
12 V
9
Receiver antenna module (door entry) signal output
Keyless operation key lock switch and unlock switch: ON
0 to 5 V (pulse signal)
10
Receiver antenna module (door entry) RSSI output
-
-
11
Receiver antenna module (immobiliser) signal output
When communicating with the emergency key (ignition switch: ON)
0 to 5 V (pulse signal)
12
Receiver antenna module (immobiliser) CLOCK output
When communicating with the emergency key (ignition switch: ON)
0 to 5 V (pulse signal)
13
Receiver antenna module (door entry) power control
Always
0 to 5 V (pulse signal)
14
Earth
Always
0 V
15
Interior transmitter antenna assembly (rear : passenger’s side) signal output
When the keyless operation key is located near the rear seat and third seat in the passenger compartment
0 to 5 V (pulse signal)
16
Interior transmitter antenna assembly (front) signal output
When the keyless operation key is located near the front seats in the passenger compartment
0 to 5 V (pulse signal)
17
Exterior transmitter antenna assembly (driver’s side) signal output
When the keyless operation key is located near the driver’s door outside the vehicle
0 to 8 V (pulse signal)
18
Interior transmitter antenna assembly (front passenger’s side) signal output
When the keyless operation key is located near the front passenger’s door outside the vehicle
0 to 8 V (pulse signal)
19
Exterior transmitter antenna assembly (tailgate) signal output
When the keyless operation key is located near the tailgate outside the vehicle
0 to 8 V (pulse signal)
20
Interior transmitter antenna assembly (rear : driver’s side) signal output
When the keyless operation key is located near the rear seat and third seat in the passenger compartment
0 to 5 V (pulse signal)
21
Lock switch (driver’s side) output
Lock switch: ON
0 to 5 V (pulse signal)
22
Lock switch (tailgate) output
Lock switch: ON
0 to 5 V (pulse signal)
23
Lock switch (front passenger’s side) output
Lock switch: ON
0 to 5 V (pulse signal)
24
Unlock sensor (driver’s side) signal output
When the front door outside handle (driver’s side) is grasped
0 to 5 V (pulse signal)
25
Unlock sensor (front passenger’s side) signal output
When the front door outside handle (front passenger’s side) is grasped
0 to 5 V (pulse signal)
26
-
-
-
27
Push switch power supply inside the steering wheel lock
Push switch inside the steering wheel lock: ON
12V
28
Tailgate lock release handle output
When the tailgate lock release handle is operated
0 to 5 V (pulse signal)
29, 30
-
-
-
31
Steering handle unit earth
Always
0 V
32
Receiver antenna module earth
Always
10 V
33, 34
-
-
-
35
Output to buzzer (-)
Buzzer is sounding
0 to 10 V (pulse signal)
36
Unlock sensor (driver’s and front passenger’s side) power supply
Always
10 V
37
Output to buzzer (+)
Buzzer is sounding
10 to 12 V (pulse signal)
38
Battery power supply
Always
Battery voltage
39
Power supply from ignition switch (IG1)
Ignition switch: ON
Battery voltage
40
Interior transmitter antenna assembly (front and rear) and exterior transmitter antenna assembly (driver’s side, front passenger’s side, and tailgate) power supply

  • At the door switch operation
  • At the ignition switch operation
  • At door open/close


  • 8 V (at exterior antenna transmission)
  • 5 V (at interior antenna transmission)