CHECK AT ECU TERMINAL





note D-404 (terminal numbers 1 to 20) cannot be measured as the ETACS-ECU is mounted on the junction block directly. The values are for reference only.

CONNECTOR: D-404


Terminal No.
Terminal code
Check item
Check condition
Normal condition
1
+B
Power supply to the central door locking system (battery positive voltage)
Always
System voltage
2
EARTH
Earth (for ECU)
Always
1 V or less
3
TURN LH
Output to left turn-signal lamps
When the left turn-signal lamps are on
System voltage
4
TURN RH
Output to right turn-signal lamps
When the right turn-signal lamps are on
System voltage
5
HAZ1
Power supply to hazard warning lamp (battery positive voltage)
Always
System voltage
6
F/WIP-AS
Input of windshield wiper automatic stop signal
When windshield wipers are operating
System voltage
7
F/WIP-HI
Output to windshield wiper (high-speed operation)
When windshield wipers are operating at high speed
System voltage
8
F/WIP-LO
Output to windshield wiper (low speed operation)
When windshield wipers are operating at low speed
System voltage
9
F/WIP-WASH
Output to windshield washer
When windshield washer is operating
System voltage
10
FR WIP ACC
Power supply to windshield wiper/washer (ignition switch: ACC)
Ignition switch: ACC
System voltage
11
RR WIP ACC
Power supply to rear wiper/washer (ignition switch: ACC)
Ignition switch: ACC
System voltage
12
R/WIP-WASH
Output to rear washer
When rear washer is operating
System voltage
13
RR WIP MTR
Output to rear wiper
When rear wipers are operating at low speed
System voltage
14
RR WIP AUTO STP
Input of rear wiper automatic stop signal
When rear wipers are operating
System voltage
15
TAIL LP
Output to tail lamps
When the tail lamps are on
System voltage
16
TAIL +B
Battery power supply (for tail lamps)
Always
System voltage
17
H/LP LO
Output to low-beam headlamps
When low-beam headlamps are on
System voltage
18
ROOM LP
Output to room lamp
When the room lamp is on
Pulse signal
19
H/LP HI
Output to high-beam headlamps
When high-beam headlamps are on
System voltage
20
ETACS +B
Battery power supply (for ECU)
Always
System voltage

CONNECTOR: D-416


Terminal No.
Terminal code
Check item
Check condition
Normal condition
21
GAAC
Tailgate lock release handle output
Tailgate lock release handle: ON
System voltage
22
AS-U
Output to central door locking (for unlocking the doors)
When the door lock actuators unlock the doors
System voltage
23
AS-L
Output to central door locking (for locking the doors)
When the door lock actuators lock the doors
System voltage
24
DHOR
Output to security alarm horn
When security alarm horn sounds
1 V or less
25
DTHE
Output to security indicator
When security indicator is on
1 V or less
26
-
-
-
-
27
MSW
Input from electric remote controlled mirror switch (folding/unfolding switch)
Electric remote controlled mirror switch (folding/unfolding switch): ON
1 V or less
28, 29
-
-
-
-
30
MOLH
Output to electric folding door mirror (unfolding)
When the electric folding door mirrors are being unfolded
System voltage
31
BACK
Inhibitor switch (R) <A/T> or back-up lamp switch <M/T> input

  • Ignition switch: ON
  • Selector lever: R <A/T>
  • Back-up lamp switch: ON <M/T>

System voltage
32 - 34
-
-
-
-
35
CDSS
Input of collision detection signal
Ignition switch: ON
System voltage
36
DSWL
Input to front door lock actuator (RH) (lock switch)
Driver’s door lock: locked
1 V or less
37 - 39
-
-
-
-
40
MSLH&MSRH
Output to electric folding door mirror (folding)
When the electric folding door mirrors are being folded
System voltage
41
DSWU
Input to front door lock actuator (unlock switch)
Driver’s door lock: Unlocked
1 V or less
42
LEDH
LED headlamp input
When LED headlamp is ON
System voltage
43
HWA
Output to headlamp washer
When headlamp washer is operating
1 V or less
44
IG2
Power supply from ignition switch (IG2)
Ignition switch: ON
System voltage

CONNECTOR: D-415


Terminal No.
Terminal code
Check item
Check condition
Normal condition
51
DDSW
Input from driver’s door switch
Driver’s door switch: ON (door open)
1 V or less
52
DEF1
Output to the rear window defogger relay
When the rear window defogger are operative
1 V or less
53
HL1+
Input to key reminder switch
Key reminder switch: ON (Ignition key removed)
1 V or less
54
LIN
LIN communication line
Always
0 to 12 V (pulse signal)
55
SLSO
Shift lock solenoid
When all the following conditions are met.

  • Ignition switch: ON
  • Brake pedal: depressed
System voltage
56
CANH
CAN_H
-
-
57
ANT-
Output of key ring antenna signal
Always
1V or less
58
ANT+
Input of key ring antenna signal
Always
1V or less
59
B.PW
Output to the power window relay
When the power windows are operative
System voltage
60
ASWU
Input to front door lock actuator (LH) and rear door lock actuators (unlock switch)
Front door (LH) lock and rear doors lock: Unlocked
1 V or less
61
DOOR
Input from the rear door switches or tailgate switch

  • One of the rear door switches: ON (door open)
  • Tailgate switch: ON (tailgate open)

1 V or less
62
KYIL
Output to key cylinder illumination lamp
When the key cylinder illumination lamp is on
Pulse signal
63
ADSW
Input from the front passenger’s door switch
One of the front passenger’s door switch: ON (door open)
1 V or less
64
WB/U
Back-up input from windshield wiper switch
Windshield low-speed wiper switch or windshield high-speed wiper switch: ON
1 V or less
65
CANL
CAN_L
-
-
66
GAOP
Input from tailgate lock release handle
Tailgate lock release handle: ON
1 V or less
67
FOGY
Output to front fog lamp
When the front fog lamp is on
1 V or less
68
IG1
Power supply from ignition switch (IG1)
Ignition switch: ON or START
System voltage
69
DFSW
Input from rear window defogger switch <vehicles without automatic air conditioner>
Rear window defogger switch: ON
1 V or less
70
SGND
Earth (for sensor)
Always
1 V or less
71
HAZ1
Input from hazard warning lamp switch
Hazard warning lamp switch: ON
1 V or less
72
BKLP
Input from stop lamp switch
Stop lamp switch: ON
System voltage
73
DRL
Output to daytime running lamp
When the daytime running lamp is on
1 V or less
74
ACCI
Power supply from ignition switch (ACC)
Ignition switch: ON or ACC
System voltage