Page 255 of 558

STEERING – Power Steering Gear Box37A-5
POWER STEERING GEAR BOX
REMOVAL AND INSTALLATION
CAUTION: SRS
For vehicles with SRS, before removal of steering gear box, refer to GROUP 52B, centre front wheels and
remove ignition key. Failure to do so may damage SRS clock spring and render SRS system inoperative,
risking serious driver injury.
Pre-removal Operation
Power Steering Fluid Draining
Center Member Removal
Front Exhaust Pipe RemovalPost-installation Operation
Front Exhaust Pipe Installation
Center Member Installation
Power Steering Fluid Supplying
Power Steering Fluid Line Bleeding
Steering Wheel Position Check with Wheels Straight
Ahead
Front Wheel Alignment Adjustment
Dust Cover Check for Cracks or Damage by
Pushing it with Finger.
15 Nm 15–33 Nm
69 Nm17 Nm
5 Nm
15–33 Nm
789
3
45 1 2
611 Nm
Removal steps
1. Steering shaft assembly and gear
box connecting bolt
2. Band
3. Split pin
A4. Tie-rod end and knuckle connection5. Return tube connection
6. Pressure tube connection
7. Cylinder clamp
B8. Gear box assembly
9. Steering cover assembly
Page 269 of 558
42-1
BODY
CONTENTS
GENERAL 2. . . . . . . . . . . . . . . . . . . . . . . . . .
OUTLINE OF CHANGE 2. . . . . . . . . . . . . . . . . .
KEYLESS ENTRY SYSTEM 2. . . . . . . . . .
SPECIAL TOOL 2. . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 2. . . . . . . . . . . . . . . . . . . .
KEYLESS ENTRY SYSTEM 7. . . . . . . . . . . . . .
TRANSMITTER 7. . . . . . . . . . . . . . . . . . . . . . . . . .
SUNROOF 9. . . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE SPECIFICATIONS 9. . . . . . . . . . . . . .
SEALANT 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 9. . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE 13. . . . . . . . . . . . . . . .
Water Test 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunroof Fit Adjustment 13. . . . . . . . . . . . . . . . . . .
SUNROOF 14. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page 270 of 558

BODY – General / Keyless Entry System42-2
GENERAL
OUTLINE OF CHANGE
The descriptions of the troubleshooting using on MUT-II tester have been incorporated.
KEYLESS ENTRY SYSTEM
SPECIAL TOOL
ToolNumberNameUse
MB991502MUT-II sub assemblyRecording secret codes
TROUBLESHOOTING
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptomInspection procedure No.Reference page
None of the doors can be locked or unlocked using the transmitter.142-2
All of the doors can be locked and unlocked using the transmitter,
but the room lamp does not flash or illuminate. (However, the room
lamp operates normally when the doors are opened and closed.)242-4
Secret codes cannot be registered.342-4
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
INSPECTION PROCEDURE 1
None of the doors can be locked or unlocked using the
transmitter.
Probable cause
The cause may be a malfunction of the transmitter, a malfunction of the receiver
or the lock and unlock signals are not being input to the ETACS-ECU.Malfunction of transmitter
Malfunction of receiver
Malfunction of ETACS-ECU
Malfunction of wiring harness or connector
Malfunction of key reminder switch
Malfunction of door switch
NG
To next page
OK
Replace the transmitter battery. (Refer to P.42-7.)
Ye s
Has the secret code been registered properly? *NGRe-register the secret code. (Refer to P.42-8.)
Can the doors be locked and unlocked by the driver’s-side door
key cylinder and lock knob?NoCheck the centre door lock system.
NOTE
*: This should be done if a transmitter or receiver has been replaced, and if a secret code has not
been registered properly.
Page 271 of 558

BODY – Keyless Entry System42-3
NG
Repair
NG
Check the harness wire, and repair if necessary.
Between receiver and earth
NG
Repair
OK
Replace the ETACS-
ECU.
NG
Repair
OK
Replace the transmitter.NGReplace the receiver.
NG
Check the harness wire.
Between key reminder switch and receiver
Between key reminder switch and earthNG
Repair
OK
Check trouble symptoms.
OK
Check the following connectors:
B-50, B-84, D-01NG
Repair
OK
Key reminder switch continuity check (Refer to GROUP 54 – Ignition
Switch.)NG
Replace
NG
Check the harness wire.
Between receiver and door switchNG
Repair
OK
Check trouble symptoms.
OK
Check the following connectors:
D-01, D-03, D-06, D-17, F-12, F-26NG
Repair
NG
Check the harness wire.
Between ETACS-ECU and receiver
OK
Door switch continuity checkNG
Replace
OK
Check trouble symptoms.
OK
Measure at the receiver connector D-01.
Disconnect the connector, and measure at harness side.
Voltage between 12 and body earth
Voltage between 14 and body earth
OK:System voltageNGCheck the connectors:
B-77, D-01
OK
Check trouble symptoms.
OK
Measure at the receiver connector D-01.
Disconnect the connector, and measure at the harness side.
Continuity between 20 and body earth
OK:ContinuityNGCheck the following connectors:
B-50, D-01
NG
Repair
NG
Check the harness wire, and repair if necessary.
Between ignition switch and receiver
Between fusible link No.1 and receiver
OK
Check trouble symptoms.
Measure at the receiver connector D-01.
Disconnect the connector, and measure at the harness side.
Voltage between 9 and body earth
Voltage between 10 and body earth
OK:System voltageNGCheck the following connectors:
B-49, B-73, B-75, B-76
From previous page
Page 272 of 558

BODY – Keyless Entry System42-4
INSPECTION PROCEDURE 2
All of the doors can be locked and unlocked using the
transmitter, but the room lamp does not flash or
illuminate. (However, the room lamp operates normally
when the doors are opened and closed.)
Probable cause
If the room lamp operates normally when the doors are opened and closed, the cause
of the problem may be a malfunction of the receiver or a malfunction of the harness
between the room lamp the receiver.Malfunction of receiver
Malfunction of connector or wiring harness
NG
Repair
NG
Check the harness wire between room lamp and receiver, and
repair if necessary.
OK
Replace the receiver.
OK
Check trouble symptoms.
Measure at the receiver connector D-01.
Disconnect the connector, and measure at the harness side.
Voltage between 11 and body earth
OK:System voltageNGCheck the following connectors:
B-80, D-01
INSPECTION PROCEDURE 3
Secret codes cannot be registered.
Probable cause
The cause may be a malfunction of the diagnosis connector, a malfunction of the
power supply or earth circuit of the receiver, a malfunction of the earth circuit or
a malfunction of the diagnosis output circuit.Malfunction of receiver
Malfunction of MUT-II
Malfunction of connector or wiring harness
NG
Repair
NG
Check the harness wire, and repair if necessary.
Between receiver and diagnosis connector
NG
Repair
NG
Check the harness wire, and repair if necessary.
Between fusible link No.1 and diagnosis connector
OK
Check trouble symptoms.NGCheck the harness wire, and repair if necessary.
Between diagnosis connector and earth
Ye s
To next page
NG
Check the following
connectors:
B-22, B-50NG
Repair
OK
Measure at the diagnosis
connector B-22.
Continuity between 4
and body earth
Continuity between 5
and body earth
OK:ContinuityOKReplace MUT-II.
OK
Check trouble symptoms.
No
Measure at the diagnosis
connector B-22
Voltage between 16
and body earth
OK:System voltageNGCheck the following connectors:
B-22, B-49, B-75
OK
Can the MUT-II communicate with other systems?
OK
Check trouble symptoms.
Measure at the diagnosis connector B-22 and the receiver connector
D-01.
Disconnect the connector, and measure at harness side.
Continuity between following terminals:
OK:Continuity
7 – 1 NGCheck the following connectors:
B-22, D-01
Page 273 of 558

BODY – Keyless Entry System42-5
NG
Repair
NG
Check the harness wire, and repair if necessary.
Between fusible link No.1 and receiver
Between ignition switch and receiver
NG
Repair
NG
Check the harness wire, and repair if necessary.
Between receiver and earth
OK
Replace the receiver.
OK
Check trouble symptoms.
OK
Measure at the receiver connector D-01.
Disconnect the connector, and measure at the harness side.
Between 20 and body earth
OK:ContinuityNGCheck the following connectors:
B-50, D-01
OK
Check trouble symptoms.
Measure at the receiver connector D-01.
Disconnect the connector, and measure at the harness side.
Voltage between 9 and body earth
Voltage between 10 and body earth
OK:System voltageNGCheck the following connectors:
B-49, B-75, D-01
From previous page
INSPECTION OF RECEIVER TERMINAL VOLTAGE
TerminalSignal nameConditionsTerminal voltage
2Door switchOne or more doors are open (Door switch: ON)0 V
All doors are closed (Door switch: OFF)System voltage
6Door lock actuator
switch (driver’s side)
LOCK5 V and pulse output*
switch (driver’s side)
UNLOCK0 V
7Diagnosis changeover
input
When MUT-II is connected0 V
input
When MUT-II is disconnectedSystem voltage
8Key reminder switchOFF (When ignition key is inserted)5 V and pulse output*
ON (When ignition key is removed)0 V
9Ignition switchIgnition switch: ACC or ONSystem voltage
Ignition switch: OFF0 V
10Receiver power supplyAt all timesSystem voltage
11Room lamp outputOne or more door are open (Door switch: ON)0 V
All doors are closed (Door switch: OFF)System voltage
Page 274 of 558
BODY – Keyless Entry System42-6
TerminalSignal nameConditionsTerminal voltage
12Door lock outputWhen activated0 V
When not activatedSystem voltage
14Door unlock outputWhen activated0 V
When not activatedSystem voltage
20EarthAt all times0 V
NOTE
Values marked with * should be measured using an oscilloscope. (The value will alternate between 0
V and 0.03 V if a circuit tester is used.)
Page 275 of 558
BODY – Keyless Entry System42-7
KEYLESS ENTRY SYSTEM
REMOVAL AND INSTALLATION
1
2
Keyless entry receiver removal
steps
Front seat assembly (driver’s side)
1. Keyless entry receiverETACS-ECU removal
2. ETACS-ECU
TRANSMITTER
DISASSEMBLY AND REASSEMBLY
Post-assembly Operation
Transmitter operation check
1
2
34
Disassembly steps
1. Screw
2. TapeA3. Battery
4. Master key assembly