[54B] SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR <Hong Kong spec.> - - CHECK AT ECU TERMINAL | PRINT 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 to 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 to 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 to 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/III 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 | Ignition switch: ACC position Volume position: "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 Volume position: "FAST" to "SLOW" | From 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) | Ignition switch: ON | 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) | Ignition switch: ON | 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) | Ignition switch: ON | 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)

[54B] SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR <Hong Kong spec.> - - CHECK AT ECU TERMINAL | PRINT PAGE / INDEX / PRIOR / NEXT

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