CHECK AT ECU TERMINAL
SIMPLIFIED WIRING SYSTEM (SWS)54B-484
FRONT-ECU
NOTE: Terminal voltages cannot be measured as the
front-ECU is installed directly on the relay box.
Therefore, this information is only for reference.
TERMINAL
NO.INSPECTION ITEM INSPECTION CONDITION NORMAL VALUE
1 Output to fog lamp relay When the fog lamps are on Battery positive voltage
2 Output to headlamp (high-beam) When headlights (high-beam)
are onBattery positive voltage
3, 4 Battery power supply (for
headlamp)Always Battery positive voltage
5 Battery power supply (for
taillamp)Always Battery positive voltage
6 Output to headlamp (low-beam) When headlights (low-beam) are
onBattery positive voltage
7 Battery power supply (for ECU) Always Battery positive voltage
8 Output to taillamps When taillamps are on Battery positive voltage
9
11
21 Output to windshield washer When windshield washer is on Battery positive voltage
22 SWS communication line Always 0
12 V (pulse signal)
23 Input of automatic stop signal to
windshield wiperWhen windshield wiper is on Battery positive voltage
24 Power supply to ignition switch
(ACC)Ignition switch: "ACC" Battery positive voltage
25 Input of backup signal from
headlamp switchHeadlamp switch: ON0 V
26 Input of backup signal to
windshield wiperWindshield low-speed wiper
switch or windshield high-speed
wiper switch: ON0 V
27 Output to windshield wiper
(low-speed)When windshield wiper is on (at
low speed)Battery positive voltage
28 Output to windshield wiper
(high-speed)When windshield wiper is on (at
high speed)Battery positive voltage
30 Power supply to ignition switch
(IG2)Ignition switch: "ON" Battery positive voltage
31 Ground Always 0 V
CENTRALISED JUNCTION
CIRCUIT DIAGRAMS90-13
19 Front-ECU (Field
effect transistor for
headlamp: Low)Fuse 10 Red Headlamp (LH) and headlamp (Low:
LH)
20 Front-ECU (Taillamp
relay)7.5 Brown A/C-ECU, A/T selector lever position
illumination lamp, combination meter,
fog lamp switch, headlamp (RH),
glove box lamp, hazard warning lamp
switch, multi-center display unit,
radio, CD player, rear combination
lamp (RH), rheostat and TCL switch
21 7.5 Brown Headlamp (LH), license plate lamp
and rear combination lamp (LH)
22 Battery/Alternator
(Fusible link No.27)15 Blue A/C-ECU, column switch,
combination meter, ETACS-ECU,
front-ECU, key reminder switch, multi-
center display unit, radio, CD player,
and vanity mirror lamp
23 Ignition switch (ACC) 10 Red A/C-ECU, accessory socket relay,
ETACS-ECU, multi-center display
unit, radio, CD player.
24 Battery/Alternator
(Fusible link No.27)15 Blue Fuel pump module
25 Ignition switch (ACC) 30 Green Front-ECU and windshield wiper
motor
26 Battery/Alternator
(Fusible link No.27)Fusible
link20 Light blue Anti-lock braking system(solenoid
valve)
27
Alternator120
Battery, front-ECU, fusible link Nos.1,
2, 3, 4, 5 and 26 and fuse Nos.6, 7, 8,
9, 10, 11, 13, 14, 15, 22 and 24 (in
relay box) NO. POWER SUPPLY
CIRCUITNAME RATED
CAPACITY (A)HOUSING
COLOURLOAD CIRCUIT
KEYLESS ENTRY SYSTEM
BODY42-67
KEYLESS ENTRY SYSTEM
GENERAL DESCRIPTIONBGBJABIE
Antenna and receiver are incorporated in the
ETACS-ECU.
ID code can be registered by using Diagnostic
tool (MUT-III).
Transmitter is a key holder type, which incorpo-
rates lock button, unlock button, trunk button and
panic button .
When the transmitter unlock button is pressed
once, the driver's door will be unlocked. If the but-
ton is pressed twice, all the doors will be
unlocked. The adjustment function also allows
you to open all the doors by pressing the unlock
button only once. For further details on using the
multi-center display to adjust the unlock opera-
tion, refer to GROUP 54B, On-vehicle Service
P.54B-486.
When the transmitter is operated, the answer-
back function will work as follows:
The answerback operation can be altered as fol-
lows:NOTE: Enabling/disabling the hazard warning
light flashing, the horn sounding in accordance
with the answerback function. For further details
on using the transmitter to adjust answerback,
P.42-72 see the section below. For further details
on using the multi-center display to adjust
answerback, refer to GROUP 54B, On-vehicle
Service P.54B-486. ITEM OPERATION
DOORS LOCKED DOORS UNLOCKED
Dome light Flashes once Illuminates for 15 seconds
Turn-signal lights (RH and LH) Flashes once Flashes twice
Horn Sounds once when the lock button
is pressed with all the doors locked-
ITEM ADJUSTMENT ITEM ADJUSTMENT DETAIL
Keyless entry system
confirmation by turn
signal lightsAdjustment of hazard answerback
when the transmitter is used to
lock doorsWhen adjusting hazard answerback after the
doors are locked with the transmitter, the
following flashing conditions can be selected.
a. Flash (default)
b. No flash
Adjustment of hazard answerback
when the transmitter is used to
unlock doorsWhen adjusting hazard answerback after the
doors are unlocked with the transmitter, the
following flashing conditions can be selected.
a. Flash (default)
b. No flash
Keyless entry system
confirmation by hornAdjustment of horn answerback
when the transmitter is used to
lock doorsWhen adjusting horn answerback after the
doors are locked with the transmitter, the
following horn conditions can be selected.
a. Horn sounds
b. Horn sounds if doors are already locked
(default)
c. Horn does not sound
