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TIME CONTROL UNIT
BCS-3
C
D
E
F
G
H
I
J
L
MA
B
BCS
TIME CONTROL UNITPFP:28491
DescriptionEKS002ZU
OUTLINE
The time control unit totally controls the following body electrical system operations.
Power door lock
Warning chime
Rear window defogger
Interior lamp
Seat belt warning
INPUT/OUTPUT
System Input Output
Power door lockDoor lock and unlock switch
Door switches
Door unlock sensor
Door key cylinder switch (driver side)Door lock actuators
Warning chimeKey switch (Insert)
Ignition switch (ON)
Lighting switch (1st)
Front door switch (driver side)
Door unlock sensorWarning chime (located in time control unit)
Rear window defoggerIgnition switch (ON)
Rear window defogger switchRear window defogger relay
Interior lampDoor switches
Door unlock sensor
Ignition switch (ON)
Key switch (Insert)Interior lamp
Seat belt warningSeat belt buckle switch (driver side)
Seat belt buckle switch (passenger side)
Combination meter (vehicle speed signal)Warning chime (located in time control unit)
Combination meter (Seat belt warning lamp)
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BCS-4
TIME CONTROL UNIT
SchematicEKS002ZV
TKWA1515E
Page 3459 of 4555
TIME CONTROL UNIT
BCS-5
C
D
E
F
G
H
I
J
L
MA
B
BCS
Time Control Unit Inspection TableEKS002ZW
Terminal
No.Wire
colorConnections Operation condition Voltage (Approximate values)
1 L Power source (Fuse) — 12V
3 *1 L/Y Super lock actuator Door key cylinder switchFree 0V
Released
4 G/RPassenger and rear doors lock
actuatorDoor lock/unlock switchFree 0V
Unlocked
6 *1 Y/R Super lock actuator Door key cylinder switchFree 0V
Set
8RCombination meter
[seat belt (driver side)]Seat belt warning lamp (driver side) is
illuminated (seat belt is unfastened).12V
Seat belt warning lamp (driver side) is
not illuminated (seat belt is fastened).0V
10 W Power source (C/B) — 12V
11 S BFront door lock actuator
(driver side)Door lock/unlock switchFree 0V
Unlocked
14 R/B Door lock actuator Door lock/unlock switchFree 0V
Locked
SKIA9232E
SKIA9232E
SKIA9232E
SKIA9232E
SKIA9232E
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BCS-6
TIME CONTROL UNIT
15 W/GSeat belt warning lamp
(passenger side)Seat belt warning lamp (passenger
side) is illuminated (seat belt is unfas-
tened).12V
Seat belt warning lamp (passenger
side) is not illuminated (seat belt is
unfastened).0V
16 B/R Ground — 0V
17 G Ignition switch (ON) — 12V
18 W/L Ignition key switch (Insert)Key inserted → key removed from Igni-
tion key cylinder12V → 0V
19 R/L Lighting switch 1ST, 2ND position: ON → OFF 12V → 0V
20 GY Door lock/unlock switch Neutral → Locked 5V → 0V
21 BR/WSeat belt buckle switch
(driver side)Seat belt buckle switch (driver side) is
unfastened.*20V
Seat belt buckle switch (driver side) is
fastened.*212V
22 G/ORSeat belt buckle switch
(passenger side)Seat belt buckle switch (passenger
side) is unfastened.0V
Seat belt buckle switch (passenger
side) is fastened.12V
23 PU Door lock/unlock switchNeutral → Door lock/Unlock switch is
pushed.5V → 0V
24 LG/RDoor key cylinder switch
(driver side)OFF (neutral) → ON (locked) 5V → 0V
25 GY/LDoor key cylinder switch
(driver side)OFF (neutral) → ON (unlocked) 5V → 0V
26 R/Y Interior room lampWhen interior room lamp is operated
using remote controller
(Lamp switch is “DOOR” position.)12V → 0V
27 G/W Rear window defogger relayOFF → ON
(Ignition key is “ON” position.)12V → 0V
28 Y/G Door unlock sensor (driver side) Driver door: Locked → Unlocked 10V → 0V
29*1 Y/LDoor unlock sensor
(passenger side)Passenger door: Locked → Unlocked 5V → 0V
30 SB Front door switch (driver side) OFF (closed) → ON (open) 5V → 0V
31 R/W Passenger and rear doors switch OFF (closed) → ON (open) 5V → 0V
32 OR Multi-remote control unitRemote controller lock button is pushed.
(Ignition switch is not “ON” position.)0V → 5V
33 P/L Multi-remote control unitRemote controller unlock button is
pushed.
(Ignition switch is not “ON” position.)0V → 5V
34 B/Y NATS release signal Ignition switch ON→OFF 0V → 5V Terminal
No.Wire
colorConnections Operation condition Voltage (Approximate values)
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TIME CONTROL UNIT
BCS-7
C
D
E
F
G
H
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L
MA
B
BCS
NOTE:
*1: With super lock system.
*2: When seat pressure switch is ON.
*3: Wire color is different depending on vehicle. Each wire color is as follows:
35 LG/B Rear window defogger switchRear window defogger switch is
pushed.0V
Rear window defogger switch is not
pushed.5V
36 *3 Combination meterWhen the vehicle speed is approx. 40
km (25 MPH). Terminal
No.Wire
colorConnections Operation condition Voltage (Approximate values)
ELF1080D
Vehicle Wire color
A/T models L/B
M/T models L/Y
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PS-1
POWER STEERING SYSTEM
G STEERING
CONTENTS
C
D
E
F
H
I
J
K
L
M
SECTION PS
A
B
PS
POWER STEERING SYSTEM
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Precautions for Steering System .............................. 3
PREPARATION ........................................................... 4
Special Service Tools [SST] ..................................... 4
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ................................................ 5
NVH Trouble shooting Chart .................................... 5
POWER STEERING FLUID ........................................ 6
Checking Fluid Level ................................................ 6
Checking Fluid Leakage ........................................... 6
Air Bleeding Hydraulic System ................................. 6
STEERING WHEEL .................................................... 8
On-Vehicle Inspection and Service .......................... 8
CHECKING CONDITION OF INSTALLATION ...... 8
CHECKING STEERING WHEEL PLAY ................ 8
CHECKING NEUTRAL POSITION STEERING
WHEEL ................................................................. 8
CHECKING STEERING WHEEL TURNING
FORCE .................................................................. 8
CHECKING FRONT WHEEL TURNING ANGLE ..... 9
Removal and Installation ........................................ 10
REMOVAL ........................................................... 10
INSTALLATION ................................................... 10
STEERING COLUMN ................................................11
Removal and Installation ......................................... 11
COMPONENT ...................................................... 11
REMOVAL OF LOWER SHAFT, HOLE COVER,
CLAMP AND HOLE COVER SEAL ..................... 11
INSTALLATION OF LOWER SHAFT, HOLE
COVER, CLAMP AND HOLE COVER SEAL ...... 12
REMOVAL OF STEERING COLUMN ASSEM-
BLY ...................................................................... 12
INSPECTION AFTER REMOVAL ....................... 13
INSTALLATION OF STEERING COLUMN
ASSEMBLY ......................................................... 13INSPECTION AFTER INSTALLATION ................ 13
Disassembly and Assembly .................................... 14
COMPONENT ..................................................... 14
DISASSEMBLY ................................................... 14
INSPECTION AFTER DISASSEMBLY ................ 14
ASSEMBLY ......................................................... 14
INSPECTION AFTER ASSEMBLY ...................... 15
POWER STEERING GEAR AND LINKAGE ............ 16
Removal and Installation ........................................ 16
COMPONENT ..................................................... 16
REMOVAL ........................................................... 16
INSTALLATION ................................................... 17
Disassembly and Assembly .................................... 18
COMPONENT ..................................................... 18
DISASSEMBLY ................................................... 19
INSPECTION AFTER DISASSEMBLY ................ 20
ASSEMBLY ......................................................... 22
POWER STEERING OIL PUMP ............................... 27
On-Vehicle Inspection and Service ......................... 27
OIL PUMP PULLEY HYDRAULIC PRESSURE
INSPECTION ...................................................... 27
Removal and Installation (QR20DE and QR25DE
Engine Models) ....................................................... 27
REMOVAL ........................................................... 27
INSTALLATION ................................................... 27
Disassembly and Assembly(QR20DE and
QR25DE Engine Models) ....................................... 28
INSPECTION BEFORE DISASSEMBLY ............. 28
DISASSEMBLY ................................................... 28
INSPECTION AFTER DISASSEMBLY ................ 29
ASSEMBLY ......................................................... 29
Removal and Installation (YD22DDTi Engine
Model) ..................................................................... 32
Disassembly and Assembly (YD22DDTi Engine
Model) ..................................................................... 33
INSPECTION BEFORE DISASSEMBLY ............. 33
DISASSEMBLY ................................................... 34
INSPECTION AFTER DISASSEMBLY ................ 35
ASSEMBLY ......................................................... 35
Page 3464 of 4555
PS-2 HYDRAULIC LINE .................................................... 37
Component ............................................................. 37
REMOVAL AND INSTALLATION ........................ 43
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 44
Steering Wheel ....................................................... 44
Steering Angle ........................................................ 44Steering Column ..................................................... 44
Steering Outer Socket and Inner Socket ................. 44
Steering Gear .......................................................... 45
Oil Pump ................................................................. 45
Steering Fluid .......................................................... 45