158
POWER SEAT (w/ DRIVING POSITION MEMORY)
CURRENT IS ALWAYS APPLIED FROM THE DOME FUSE TO TERMINAL SYSB OF THE POWER SEAT ECU, FROM DOOR FUSE TO
TERMINAL +B OF THE POWER SEAT ECU AND FROM STOP FUSE TO TERMINAL 2 OF THE STOP LIGHT SW.
WHEN THE IGNITION SW IS TURNED ON, CURRENT FLOWS FROM ECU±IG FUSE TO TERMINAL IG OF THE POWER SEAT ECU AND
FROM THE GAUGE FUSE TO TERMINAL 9 OF A/T INDICATOR SW.
POWER SEAT OPERATION (FOR DRIVER'S SEAT)
CURRENT IS ALWAYS APPLIED TO TERMINAL SYSB AND TERMINAL +B OF POWER SEAT ECU SO THAT THE POWER SEAT ECU IS
ALWAYS READY TO OPERATE.
WHEN THE POWER SEAT CONTROL SW IS PUSHED TO THE ªFRONT SIDE POSITIONº SIDE, A SIGNAL IS INPUT INTO TERMINAL
SLDF OF POWER SEAT ECU, THE ECU OPERATES AND THE CURRENT TO TERMINAL +B OF POWER SEAT ECU FLOWS FROM
TERMINAL SLD+ OF POWER SEAT ECU " TERMINAL 2 OF POWER SEAT MOTOR (FOR DRIVER'S SEAT SLIDE CONTROL) " MOTOR
TERMINAL 1 "TERMINAL SLD± OF POWER SEAT ECU "TERMINAL GND "GROUND, ROTATING THE POWER SEAT MOTOR SO
THAT THE SEAT SLIDES FORWARD WHILE THE POWER SEAT CONTROL SW IS BEING PRESSED.
TO SIDE THE DRIVER'S SEAT TO THE REAR, PUSHING THE POWER CONTROL SW TO THE ªREAR SLIDE POSITIONº SIDE, INPUTS A
SIGNAL TO TERMINAL SLDR OF POWER SEAT ECU. THIS CAUSES THE CURRENT FLOWING FROM THE ECU TO THE MOTOR TO
FLOW FROM TERMINAL SLD± OF POWER SEAT ECU " TERMINAL 2 OF POWER SEAT MOTOR (FOR DRIVER'S SEAT SLIDE
CONTROL) "MOTOR " TERMINAL 1 "TERMINAL SLD+ OF POWER SEAT ECU, FLOWING THE REVERSE TO FRONT SLIDE
OPERATION AND CAUSING THE MOTOR TO ROTATE IN REVERSE, SO THAT THE DRIVER'S SEAT MOVES TO THE REAR.
THE MOVEMENT TO OTHER POSITIONS OCCURS SIMILARLY, SO ONLY THE FLOW OF CURRENT TO EACH MOTOR IS SHOWN:
FRONT VERTICAL CONTROL 'UP' OPERATION
TERMINAL +B OF POWER SEAT ECU " TERMINAL FRV+ " TERMINAL 2 OF POWER SEAT MOTOR "MOTOR "TERMINAL 1 "
TERMINAL FRV± OF ECU " TERMINAL GND " GROUND .
FRONT VERTICAL CONTROL 'DOWN' OPERATION
TERMINAL +B OF POWER SEAT ECU " TERMINAL FRV± " TERMINAL 1 OF POWER SEAT MOTOR "MOTOR " TERMINAL 2 "
TERMINAL FRV+ OF ECU " TERMINAL GND " GROUND .
REAR VERTICAL CONTROL 'UP' OPERATION
TERMINAL +B OF POWER SEAT ECU " TERMINAL RRV+ " TERMINAL 2 OF POWER SEAT MOTOR "MOTOR " TERMINAL 1 "
TERMINAL RRV± OF ECU " TERMINAL GND " GROUND .
REAR VERTICAL CONTROL 'DOWN' OPERATION
TERMINAL +B OF POWER SEAT ECU " TERMINAL RRV± " TERMINAL 1 OF POWER SEAT MOTOR " MOTOR " TERMINAL 2 "
TERMINAL RRV+ OF ECU " TERMINAL GND " GROUND .
LUMBAR SUPPORT CONTROL 'FRONT' OPERATION
TERMINAL 7 OF POWER SEAT CONTROL SW " TERMINAL 4 OF LUMBAR SUPPORT SW " TERMINAL 1 " TERMINAL 11 OF POWER
SEAT CONTROL SW " TERMINAL 1 OF POWER SEAT MOTOR " MOTOR " TERMINAL 2 " TERMINAL 10 OF POWER SEAT
CONTROL SW " TERMINAL 2 OF LUMBAR SUPPORT SW "TERMINAL 3 "TERMINAL 12 OF POWER SEAT CONTROL SW "
GROUND .
LUMBAR SUPPORT CONTROL 'REAR' OPERATION
TERMINAL 7 OF POWER SEAT CONTROL SW " TERMINAL 4 OF LUMBAR SUPPORT SW " TERMINAL 2 " TERMINAL 10 OF POWER
SEAT CONTROL SW " TERMINAL 2 OF POWER SEAT MOTOR " MOTOR " TERMINAL 1 " TERMINAL 11 OF POWER SEAT
CONTROL SW " TERMINAL 1 OF LUMBAR SUPPORT SW "TERMINAL 3 "TERMINAL 12 OF POWER SEAT CONTROL SW "
GROUND .
THE NUMBER OF TURNS OF EACH MOTOR (AMOUNT OF MOVEMENT OF EACH PART OF THE SEAT) IS DETECTED BY THE POSITION
SENSORS AND INPUT TO THE ECU, MAKING IT POSSIBLE TO PERFORM MEMORY AND RETURN FUNCTIONS FOR THE SEAT
POSITION USING THE DRIVING POSITION MEMORY AND RETURN SWITCH.
POWER WALK±IN OPERATION (FOR PASSENGER'S SEAT)
WALK±IN OPERATION
WHEN THE WALK±IN PEDAL IS DEPRESSED OR THE RECLINING HANDLE IS LIFTED UP, THE SEAT BACK RECLINES FULLY
FORWARD AND RECLINING LIMIT SWITCH NO. 2 OPERATES, SO A SIGNAL IS INPUT TO TERMINAL RFSW OF THE POWER SEAT ECU
" TERMINAL SLD+ " TERMINAL 1 OF THE POWER SEAT MOTOR (FOR PASSENGER'S SEAT SLIDE CONTROL) " MOTOR "
TERMINAL 2 " TERMINAL SLD± OF THE ECU "TERMINAL GND " GROUND . THIS CAUSES THE SEAT TO SLIDE FORWARD 100 MM
IN THE WALK±IN MODE. HOWEVER, WHEN THE INITIAL SLIDE POSITION IS 100 MM OR LESS FROM THE MOST FORE POSITION, THE
SEAT CAN ONLY SLIDE FORWARD AS FAR AS THE MOST FORE POSITION.
SYSTEM OUTLINE
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159
RETURN OPERATION
WHEN THE SEAT BACK IS RAISED UP FROM THE WALK±IN POSITION AND RETURNED TO THE UPRIGHT LOCK POSITION,
RECLINING LIMIT SWITCH NO. 1 OPERATES AND A SIGNAL IS INPUT TO TERMINAL RRSW OF THE POWER SEAT ECU " TERMINAL
SLD± " TERMINAL 2 OF POWER SEAT MOTOR (FOR PASSENGER'S SEAT SLIDE CONTROL) " MOTOR " TERMINAL 1 " TERMINAL
SLD+ OF ECU " TERMINAL GND " GROUND . THIS CAUSES THE SEAT TO SLIDE BACK TO A POSITION 120 MM FROM THE MOST
REAR POSITION, COMPLETING RETURN OPERATION. HOWEVER, IF THE SEAT IS POSITIONED WITHIN 120 MM OF THE MOST REAR
POSITION, RETURN OPERATION DOES NOT OCCUR, THUS MAINTAINING SUFFICIENT SPACE FOR THE REAR SEAT PASSENGER.
D10 DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SW AND DOOR OPEN DETECTION SW LH
3±6 : CLOSED WITH FRONT LH DOOR OPEN
N 1 A/T INDICATOR SW [NEUTRAL START SW]
9±1 : CLOSED WITH SHIFT LEVER AT ªPº POSITION
P10(A), P11(B) POWER SEAT ECU (FOR DRIVER'S SEAT)
(A) 6±GROUND : APPROX. 12 VOLTS WITH STOP LIGHT SW ON
(B) 7±GROUND : ALWAYS APPROX. 12 VOLTS
(A) 7±GROUND : APPROX. 12 VOLTS WITH IGNITION SW ON
(A) 15±GROUND : APPROX. 12 VOLTS WITH IGNITION SW ON AND SHIFT LEVER AT ªPº RANGE
(A) 2±GROUND : APPROX. 12 VOLTS WITH DRIVER'S SEAT AT FRONT SLIDE OPERATION
(A) 9±GROUND : APPROX. 12 VOLTS WITH DRIVER'S SEAT AT REAR SLIDE OPERATION
(A) 4±GROUND : APPROX. 12 VOLTS WITH DRIVER'S SEAT AT FRONT VERTICAL UP OPERATION
(A) 11±GROUND : APPROX. 12 VOLTS WITH DRIVER'S SEAT AT FRONT VERTICAL DOWN OPERATION
(A) 13±GROUND : APPROX. 12 VOLTS WITH DRIVER'S SEAT AT REAR VERTICAL UP OPERATION
(A) 12±GROUND : APPROX. 12 VOLTS WITH DRIVER'S SEAT AT REAR VERTICAL DOWN OPERATION
(B) 18±GROUND : ALWAYS CONTINUITY
(A) 5, (A) 14±GROUND : ALWAYS APPROX. 12 VOLTS
(A) 1, (A) 8±GROUND : ALWAYS CONTINUITY
P 8 POWER SEAT CONTROL SW (FOR DRIVER'S SEAT)
4±14 : CLOSED WITH DRIVER'S SEAT AT FRONT RECLINING OPERATION
3±14 : CLOSED WITH DRIVER'S SEAT AT REAR RECLINING OPERATION
1±14 : CLOSED WITH DRIVER'S SEAT AT FRONT SLIDE OPERATION
2±14 : CLOSED WITH DRIVER'S SEAT AT REAR SLIDE OPERATION
5±14 : CLOSED WITH DRIVER'S SEAT AT FRONT VERTICAL UP OPERATION
6±14 : CLOSED WITH DRIVER'S SEAT AT FRONT VERTICAL DOWN OPERATION
9±14 : CLOSED WITH DRIVER'S SEAT AT REAR VERTICAL UP OPERATION
8±14 : CLOSED WITH DRIVER'S SEAT AT REAR VERTICAL DOWN OPERATION
P12 POWER SEAT ECU (FOR PASSENGER'S SEAT)
1±GROUND : ALWAYS APPROX. 12 VOLTS
8±GROUND : ALWAYS APPROX. 12 VOLTS
7±GROUND : APPROX. 12 VOLTS WITH PASSENGER'S SEAT AT FRONT SLIDE OPERATION
17±GROUND : APPROX. 12 VOLTS WITH PASSENGER'S SEAT AT REAR SLIDE OPERATION
S12 STOP LIGHT SW
2±1 : CLOSED WITH STOP LIGHT SW ON
SERVICE HINTS
WhereEverybodyKnowsYourName
165
1H
12
PRND 2 L
146578 9
B B BB BAA B AA A
2 1M
2 1 M
2
1
VC MSW E ASW TIS TIM+ TIM± VC TES E TEM+ TEM± Y
BR
R±W
GR
R±B
L
G±W G
W
R±W
BR
R±W BR R±W
V±Y
BR
V±W
P±L
R±B R±L
Y±R
L±B
L±Y
6
17 16 5 4 7 10 3 6 2 11 VC MSW E1 ASW TIS TIM+ TIM± TES TEM+ TEM±P
A/T INDICATOR SW
[NEUTRAL START SW AND
BACK±UP LIGHT SW]
TILT AND POWER TELESCOPIC ECU
TELESCOPIC
CONTROL MOTOR
TELESCOPIC POSITION
SENSOR
TILT CONTROL
MOTORTILT POSITION
SENSOR
AUTO SW
MANUAL SW TI L T
DOWN
TELESCO
SHORT
TI L T
UP
TELESCO
LONG
T7
BA
,T11
T10
TI L T AND POWE R TE LE SCOPI C UNI T [COMB. SW] C17 TELESCOPIC POSITION SENSOR
N1
10A
GAUGE
Y
FROM POWER SOURCE SYSTEM(
SEE PAGE 56 )
GR
IK 1
12 IJ1
10
BT1
18
B
2
1I
16
1D
8
6 3
DOOR OPEN
DETECTION SW LH GR
GR
Y
DS W
W±B
R±B
R±W
D10
4 6 8 7 5 1 10 6531 4
R
W
BL
R Y
W B
B
B
P±B
B±W
G±W R
G
3
BU1
7 1
(
A/T )
PARKING
BRAKE SW
B
( M/T )
I11 : A/T
I8:M/T
I11 : A/T
I8:M/T
P3
WhereEverybodyKnowsYourName
212
RADIO AND PLAYER (w/ CD PLAYER)
BV3
5BV3 4BV315 BV3 11 BV314 BV3 13 BV3 1BV38BV3 12 BV310 BV3 3BV32BV316 Bc1 25
I31 I31
I31
B16 B16
B25
D
3D 8D9D10 D 1D6D 11 D2D7D 4D5D12
A
1A 3A2A 6B1B 5B 8B2B6B 9B4B 3B7
C
2C 6C1C3
1
G±RR±L
R±W
G±Y
R±W G±W
G±O
Y±RY±L
B
W
BR
L
R
Y±B
V±W G±B
R±W
G±W
G±O
Y±RY±L
B
W
BR L
R
Y±B
V±W G±B
12 13 14 11
TXM+ TXM± TXS+ TXS± CDR+ CDR±
TXM+ TXM± TXS+ TXS± CDR+ CDR±
SGND CDL+ CDL±
SGND CDL+ CDL±GND +B ACC SW
GND +B ACC
PWR
VOL+
VOLC
SGND
PWR VOL+ VOLC SGND
A/C CONTROL SW
AND RADIO SW A1 5 LUGGAGE
COMPARTMENT
LIGHT SW
L6
CD AUTOMATIC CHANGER
C20 ,
C21
A
B
R2 , R3 ,
R 4
A B C RADIO AND PLAYER C9
DCD PLAYER
BR BR
BR±W
BR±W
WhereEverybodyKnowsYourName
188
SHIFT LOCK
1E
21E 17 1I 10
7 8 SHIFT LOCK
CONTROL SW
SHIFT LOCK
SOLENOID
TIMER
3
2 4
5
1
P1
±P
P2
SLS±
SLS+
1 2
IF 15A
CIG
15A
ECU±IG 15A
STOP
KEY INTERLOCK
SOLENOID
[IGNITION SW] STOP LIGHT
SW
ACC IG STP
KLS+ EL±RL
G±W G
G±R
V
W±B
W±B W±B
L±R
B±R
G±W G±W W B±R
L±R
SHIFT LOCK ECU
FROM POWER SOURCE SYSTEM
(
SEE PAGE 56 )
I15 S12
S10
1H
1
3A
5
3G
6
1E
20
IG1
12
1H
13
1J
1 1E
18
V
3A
1 3H
15
W±B
WhereEverybodyKnowsYourName
189
WHEN THE IGNITION SW IS TURNED TO ACC POSITION THE CURRENT FROM THE CIG FUSE FLOWS TO TERMINAL 1 OF THE SHIFT
LOCK ECU, IN THE ON POSITION, THE CURRENT FROM THE ECU±IG FUSE FLOWS TO TERMINAL 5 OF THE ECU.
1. SHIFT LOCK MECHANISM
WITH THE IGNITION SW ON, WHEN A SIGNAL THAT THE BRAKE PEDAL IS DEPRESSED (STOP LIGHT SW ON) AND A SIGNAL THAT
THE SHIFT LEVER IS PUT IN ªPº RANGE (CONTINUITY BETWEEN P1 AND P OF THE SHIFT LOCK CONTROL SW) IS INPUT TO THE
ECU, THE ECU OPERATES AND CURRENT FLOWS FROM TERMINAL 5 OF THE ECU " TERMINAL SL+ OF THE SHIFT LOCK
SOLENOID " SOLENOID " TERMINAL SL± " TERMINAL 3 OF THE ECU " GROUND. THIS CAUSES THE SHIFT LOCK SOLENOID TO
TURN ON (PLATE STOPPER DISENGAGES) AND THE SHIFT LEVER CAN SHIFT INTO RANGE OTHER THAN THE ªPº RANGE.
2. KEY INTER LOCK MECHANISM
WITH THE IGNITION SW ON OR ACC POSITION, WHEN THE SHIFT LEVER IS PUT IN ªPº RANGE (NO CONTINUIT\
Y BETWEEN P2 AND P
OF SHIFT LOCK CONTROL SW), THE CURRENT FLOWING FROM TERMINAL 2 OF THE ECU " KEY INTER LOCK SOLENOID IS CUT
OFF. THIS CAUSES THE KEY INTER LOCK SOLENOID TO TURN OFF (LOCK LEVER DISENGAGES FROM LOCK POSITION) AND THE
IGNITION KEY CAN BE TURNED FROM ACC TO LOCK POSITION. IF THE IGNITION IS LEFT IN ACC OR ON POSITION WITH THE SHIFT
LEVER IN OTHER THAN ªPº RANGE, THAN AFTER APPROX. ONE HOUR THE ECU\
OPERATES TO RELEASE THE LOCK.
S10 SHIFT LOCK ECU
1±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ACC OR ON POSITION
5±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
3±GROUND : ALWAYS CONTINUITY
4±GROUND : APPROX. 12 VOLTS WITH BRAKE PEDAL DEPRESSED
S12 STOP LIGHT SW
2±1 : CLOSED WITH BRAKE PEDAL DEPRESSED
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
I1529S1029S1229
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1E20INSTRUMENT PANEL WIRE
1H
1I20COWL WIRE
1J
20COWL WIRE
3A
3G22INSTRUMENT PANEL WIRE
3H
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IG136INSTRUMENT PANEL WIRE AND COWL WIRE (R/B NO. 5)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IF36LEFT KICK PANEL
X 78 12345
12
I15 S 10 S 12
BLACK
SYSTEM OUTLINE
SERVICE HINTS
WhereEverybodyKnowsYourName
180
SRS AIRBAG
1G
10 1G 6
1G
11E 13
10 11
IK1
10 IK1 23
IK 1
1
4
+SL
5±SL
3+SR
2±SR
11D+
10D±
13E1
8E2
3E1
3E1
7
IG2 14
ACC 6
+B
12AB 4
TC 11
TC 5
AB
121212 7. 5A
IGN
15A
CIG 15A
ECU±B
FROM ENGINE AND
ECT ECU(
E1 )
CHECK
CONNECTOR
TDCL
FRONT AIRBAG
SENSOR LH FRONT A I RBA G
SENSOR RH
AIRBAG SQUIBSPIRAL
CA BLE
CENTER AIRBAG SENSOR ASSEMBLY
BR
W±B W±BL
Y B
GR
WR
L
Y
B
GR
WR
BR W±B
BR BR BR B±Y P±BP±B
B±Y
P±B
B±Y B±Y W±RW±R
L±R
B±O
FROM POWER SOURCE SYSTEM
(
SEE PAGE 56 )
AIRBA G WA RNING
LIGHT
[COMB. METER]
C10
F1 F2 A2 9 C3
T6 C12
E2 0
1G
9 912
IF ED 1G
7
EC
LA TC
1E
41E 3
3B
2
3H
12
3E
3
3E
10
1J
1 3A
3
1G
4
1G
3 3A
73D 11
B±Y
P±B
B±Y
P±B
B±Y
W±B
WhereEverybodyKnowsYourName
98
STOP LIGHT
1I
10
1C
21E 12
3D
13
1C
10 1H
1 3A
4
1 2
B10 B15
+
±
+
±
BM BL
B15 B14
Bd1
2 Bc1
11
Bd1
1
Bc1
7
7
84
33 4 1
11
1
2
55 1 2
W±B W±B W±B G±W
G±W
W
G±W
G±W
G±W
Y
V±G Y
Y
Y
G±W
G±W B
W±B
R±W
R±W R±W
W±B
W±B
W±B B
FROM POWER SOURCE SYSTEM
(
SEE PAGE 56 )
15A
STOP 10A
GA UGE
A
1
B
11
HOLD
CIRCUIT
W±B
STOP LIGHT
[REAR COMB. LIGHT]
LH RH
R10 R11
HIGH MOUNT STOP
LIGHT
(
W/O REAR SPOILER )
H8
HIGH MOUNT STOP
LIGHT (
W/ REAR SPOILER )
H9
LIGHT FAILURE SENSOR L3 C14 , C1 3
AB
BU1
9
V±G
STOP LIGHT
SW S12
REA R LIGHT WARNING
LIGHT [COMB. METER]
B21
W±B
W±B
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