[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - CHECK AT ECU TERMINALPRINT PAGE / INDEX / PRIOR / NEXT
CHECK AT ECU TERMINAL
ETACS-ECU
   
NOTE: Terminal numbers 1 to 20 can not be measured as the ETACS-ECU is mounted on the junction block directly. The values are for reference only.
Terminal No.
 Check items
 Check conditions
 Normal conditions
1
 Output to the power window relay
 When the power windows are operative
 Battery positive voltage
2
 Power supply to the central door locking system (battery positive voltage)
 Always
 Battery positive voltage
3
 Earth (for ECU)
 Always
 0 V
4
 Ignition switch (ACC)
 Ignition switch: ACC
 Battery positive voltage
5
 Output to room lamp
 When the room lamp is on
 2 V or less
6
 Power supply to interior lamp (battery positive voltage)
 Always (when the interior lamp off function is off)
 Battery positive voltage
7
 Input from all the door switches
 One of the door switches: ON (door open)
 0 V
8
 Power supply from ignition switch (IG1)
 Ignition switch: ON
 Battery positive voltage
9
 Output to right turn-signal lamps
 When right turn-signal lamps are on
 Battery positive voltage
10
 Input from driver's door switch
 Driver's door switch ON (door open)
 0 V
11
 Power supply to hazard warning lamp (battery positive voltage)
 Always
 Battery positive voltage
12
 Output to central door locking (for locking the doors)
 When the door lock actuators lock the doors
 Battery positive voltage
13
 Output to central door locking (for unlocking the doors other than the driver's door)
 When the door lock actuators unlock the doors
 Battery positive voltage
14
 Output to left turn-signal lamps
 When the left turn-signal lamps are on
 Battery positive voltage
15
 -
 -
 -
16
 Output to rear wiper
 When rear wiper is operating
 Battery positive voltage
17
 Input of rear wiper automatic stop signal
 When rear wiper is operating
 Battery positive voltage
18
 Power supply from ignition switch (ACC)
 Ignition switch: ACC
 Battery positive voltage
19
 -
 -
 -
20
 Battery power supply (for ECU)
 Always
 Battery positive voltage
21
 Input from hood switch
 Hood switch: ON (hood open)
 0 V
22
 Output to central door locking (for unlocking the driver's door)
 When the door lock actuators unlock the doors
 Battery positive voltage
23
 Rear washer output
 When rear washer is operating
 Battery positive voltage
24
 Input to electric remote controlled mirror switch (folding/unfolding switch)
 Electric remote controlled mirror switch (folding/unfolding switch): ON
 0 V
25~28
 -
 -
 -
29
 Input of collision signal
 -
 -
30
 Input to key reminder switch
 Key reminder switch: ON (ignition key removed)
 0 V
31
 Output from electric folding door mirrors
 When the door mirrors are folding
 Battery positive voltage
32~34
 -
 -
 -
35
 Input to driver's door lock actuator (lock switch)
 Driver's door lock: Locked
 0 V
36
 Input to driver's door lock actuator (unlock switch)
 Driver's door lock: Unlocked
 0 V
37, 38
 -
 -
 -
39
 Input to inhibitor switch ("R" position)
 Selector lever: R
Ignition switch: ON
 Battery positive voltage
40
 Output from electric folding door mirrors
 When the electric folding door mirrors are unfolding
 12 V
41~43
 -
 -
 -
44
 Output to horn
 When alarm is triggered (horn is sounding)
 0 V
51
 Setting diagnosis code or sending input check signal
 When diagnosis code is set (the MUT-II is connected or the diagnosis connector No.1 is grounded)
 0 to 12 V (pulse signal)
When input check signal is sent
 0 V, 12 V (input signal is fluctuating)
52
 -
 -
 -
53
 Output to door-ajar indicator lamp
 When door-ajar indicator lamp is on
 0 V
54
 Input from fog lamp switch
 Fog lamp switch: ON
 0 V
55
 Input from hazard warning lamp switch
 Hazard warning lamp switch: ON
 0 V
56
 Earth (for sensor)
 Always
 0 V
57, 58
 -
 -
 -
59
 SWS communication line
 Always
 0 to 12 V (pulse signal)
60 to 62
 -
 -
 -
63
 Input of vehicle speed signal
 When the vehicle is being driven
 0 to 12 V (pulse signal)
64, 65
 -
 -
 -
66
 Input from windshield intermittent wiper volume
 Turn the ignition switch to the ACC position, and move the wiper volume from "Fast" to "Slow."
 0 to 2.5 V
67
 Input from diagnosis control
 When MUT-II/III is connected
 0 V
68
 Input of SWS request signal
 Always
 0 to 12 V (pulse signal)
69
 Output to ignition key cylinder illumination lamp
 When ignition key cylinder illumination is on
 2 V or less
70
 -
 -
 -
71
 Power supply to interior lamp
 Always (when the interior lamp off function is off)
 Battery positive voltage
72 to 73
 -
 -
 -
74
 Output to security indicator lamp
 When security indicator lamp is on
 2 V or less

COLUMN SWITCH
   
Terminal No.
 Check items
 Check conditions
 Normal conditions
1
 Battery positive voltage
 Always
 Battery positive voltage
2
 Input of SWS request signal
 Always
 0 to 12 V (pulse signal)
3
 SWS communication line
 Always
 0 to 12 V (pulse signal)
4
 Earth
 Always
 0 V
5
 -
 -
 -
6
 Output to windshield intermittent wiper volume
 Ignition switch: ACC
Move the wiper volume from "Fast" to "Slow."
 0 to 2.5 V
7
 -
 -
 -
8
 Back-up output to windshield wiper switch
 Windshield low-speed wiper switch or windshield high-speed wiper switch: ON
 0 V
9
 Power supply from ignition switch (IG1)
 Turn the ignition switch to the ON position.
 Battery positive voltage
10
 Back-up output to headlamp switch
 Headlamp switch: ON
 0 V

FRONT-ECU
   
NOTE: Measurement is not possible as the front-ECU is mounted on the relay box directly. The values are for reference only.
Terminal No.
 Check items
 Check conditions
 Normal conditions
1 to 3
 -
 -
 -
4
 Output to tail lamps
 When the tail lamps are on
 Battery positive voltage
5
 Battery power supply (for ECU)
 Always
 Battery positive voltage
6
 Output to low-beam headlamps
 When low-beam headlamps are on
 Battery positive voltage
7
 Battery power supply (for tail lamps)
 Always
 Battery positive voltage
8, 9
 Battery power supply (for headlamps)
 Always
 Battery positive voltage
10
 Output to high-beam headlamps
 When high-beam headlamps are on
 Battery positive voltage
11
 Output to fog lamps
 When fog lamps are on
21
 Earth
 Always
 0 V
22
 Power supply to the ignition switch (IG2)
 Turn the ignition switch to the ON position.
 Battery positive voltage
23
 -
 -
 -
24
 Output to windshield wiper (high speed operation)
 When windshield wipers are operating at high speed
 Battery positive voltage
25
 Output to windshield wiper (low speed operation)
 When windshield wipers are operating at low speed
 Battery positive voltage
26
 Back-up input from windshield wiper switch
 Windshield low-speed wiper switch or windshield high-speed wiper switch: ON
 0 V
27
 Back-up input from headlamp switch
 Headlamp switch: ON
 0 V
28
 Power supply from ignition switch (ACC)
 Ignition switch: ACC
 Battery positive voltage
29
 Input of windshield wiper automatic stop signal
 When windshield wipers are operating
 Battery positive voltage
30
 SWS communication line
 Always
 0 to 12 V (pulse signal)
31
 Output to windshield washer
 When windshield washer is operating
 Battery positive voltage

POWER WINDOW MAIN SWITCH
   
Terminal No.
 Check items
 Check conditions
 Normal conditions
1
 Output to power window motor
 -
 -
2
 Earth
 Always
 0 V
3
 -
 -
 -
4
 SWS communication line (to ETACS-ECU)
 Always
 0 to 12 V (pulse signal)
5
 -
 -
 -
6
 Power supply
 Power window relay: ON
 Battery positive voltage
7
 Output to power window motor
 -
 -
8
 Input from power window motor (pulse sensor earth)
 -
 0 V
9
 Input from power window motor (pulse sensor signal)
 When the power windows are operating
 0 to 5 V (pulse signal)
10
 Input from power window motor (pulse sensor signal)
 When the power windows are operating
 0 to 5 V (pulse signal)
11
 SWS communication line (power window sub switch)
 Power window relay: ON
 0 to 12 V (pulse signal)
12
 Input from power window motor (power supply to pulse sensor)
 When the power windows are operating
 5 V
13, 14
 -
 -
 -

POWER WINDOW SUB SWITCH
   
Terminal No.
 Check items
 Check conditions
 Normal conditions
1
 Earth
 Always
 0 V
2
 Input from power window motor
 -
 -
3
 Input from power window motor
 -
 -
4
 Power supply
 Power window relay: ON
 Battery positive voltage
5
 Output to power window motor
 -
 -
6
 SWS communication line
 Power window relay: ON
 0 to 12 V (pulse signal)
7
 Output to power window motor
 -
 -
8
 Input from power window motor
 -
 -

SUNROOF MOTOR ASSEMBLY
   
Terminal No.
 Check items
 Check conditions
 Normal conditions
1
 Battery power supply (for motor)
 Always
 Battery positive voltage
2
 Power supply to the ignition switch (IG2)
 Turn the ignition switch to the ON position.
 Battery positive voltage
3, 4
 -
 -
 -
5
 Earth
 Always
 0 V
6
 Input from sunroof switch (close or open)
 Sunroof switch: Close/open
 0 V
7
 Input from sunroof switch (tilt-up)
 Sunroof switch: Tilt up
 0 V
8
 Input from sunroof switch (open)
 Sunroof switch: Open
 0 V
9
 -
 -
 -
10
 SWS communication line
 Always
 0 to 12 V (pulse signal)

[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - CHECK AT ECU TERMINALPRINT PAGE / INDEX / PRIOR / NEXT
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