SEAT BELT WARNING SYSTEM
If the driver turns the ignition switch to the "ON" position without fastening the seat belt, the seat belt warning light illuminates.
SEAT CUSHION HEATER
| Item | Measured terminal | Standard value |
|---|---|---|
| Seat cushion heater (At room temperature 20°C) | Heated seat assembly terminals 1 - seat back heater terminal 1 | 4.04 - 4.94 ohms < Standard seat > |
| 4.83 - 5.85 ohms < Sport seat > | ||
| 3.84 - 4.69 ohms < RECARO seat > | ||
| Heated seat assembly terminals 2 - seat back heater terminal 1 | 0.23 - 0.28 ohms < Standard seat > | |
| 0.15 - 0.19 ohms < Sport seat > | ||
| 0.14 - 0.18 ohms < RECARO seat > |
SEAT CUSHION HEATER SERVICE SPECIFICATIONS
SEATBACK HEATER
| Item | Measured terminal | Standard value |
|---|---|---|
| Seatback heater (At room temperature 20°C) | 1 - 2 | 4.86 - 5.94 ohms < Standard seat > |
| 4.06 - 4.96 ohms < Sport seat > | ||
| 5.40 - 6.60 ohms < RECARO seat > |
SEATBACK HEATER SERVICE SPECIFICATIONS
SPECIAL TOOL
SPECIAL TOOL Tool Tool number and name Supersession Application MB990784 Ornament remover General service tool Removal of switch, trim, etc
Scheme 1
REMOVAL AND INSTALLATION
| WARNING | For removal and installation of the passenger's side air bag module, always observe the service procedures described in DRIVER'S AIR BAG MODULE AND CLOCK SPRING < EXCEPT RALLIART > and DRIVER'S AIR BAG MODULE AND CLOCK SPRING < RALLIART > . |
The following bolts and screws are used for installing the instrument panel. Bolts and screws are indicated as marks shown in the illustration in the "REMOVAL AND INSTALLATION" and "DISASSEMBLY AND ASSEMBLY" procedures in this service information.
BOLTS AND SCREWS SYMBOL CHART Name Symbol Size (D x L) mm Color Shape Tapping screw a 5 x 12 - b 5 x 16 - c 5 x 12 - Bolt with washer d 5 x 20 - e 6 x 16 - D: Thread diameter, L: Effective thread length
Scheme 2
Scheme 3
| CAUTION | Refer to SERVICE PRECAUTIONS and PASSENGER'S (FRONT) AIR BAG MODULE before removing the passenger side air bag module. Do not subject the SRS-ECU to any shocks when removing or installing the instrument panel. |
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>> A << FLOOR CONSOLE BOX CUP HOLDER REASSEMBLY
Remove by using special tool MB990784 (ornament remover) as shown in the figure.
Scheme 9
>> B << FLOOR CONSOLE COVER REASSEMBLY
Floor console rear ends (shown in the dotted lines in the figure) may damage when removing the floor console cover. You can neglect this damage and floor console rear is reusable.
Scheme 10
Scheme 11
Required Special Tool
- MB990784: Ornament Remover
Scheme 12
Note. Each number in the illustration indicates a part number.
Scheme 13
Required Special Tool
- MB990784: Ornament Remover
Scheme 14
Note. Each number in the illustration indicates a part number.
Scheme 15
- Pull down the front or rear pillar trim as shown in the figure.
- Cut the clip at the cutting position shown in the figure, taking care not to damage the other components.
- Remove the clip remaining on the front or rear pillar trim, taking care not to scratch the trim.
- Remove the clip remaining on the vehicle side by breaking it to prevent damage to the flange of the clip mounting hole.
<< B >> UPPER CENTER PILLAR TRIM CAP REMOVAL
Remove the opening trim. Remove the upper center pillar trim cap by inserting the special tool MB990784 between the upper center pillar trim and body as shown in the illustration.
Scheme 16
<< C >> REAR SEAT FOLDING CABLE REMOVAL
Among the three fixed positions, securely fit the rear seat folding cable in the center position.
Scheme 17
Scheme 18
Required Special Tool
- MB990784: Ornament Remover
Scheme 19
Required Special Tool
- MB990784: Ornament Remover
Scheme 20
Scheme 21
Required Special Tool
- MB990784: Ornament Remover
<< A >> SUN VISOR HOLDER REMOVAL
Insert the special tool MB990784 into side claws of the sun visor holder through the both sides of the sun visor holder to remove the hinges.
Scheme 22
<< B >> HEADLINING REMOVAL
To remove the clip, insert a vinyl cord into a clearance between the clip and the headlining, and pass it around the clip. Then, pull out the clip downwards while pulling the vinyl cord.
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Scheme 24
- Disengage claw A and lower the cover in the arrow 1 direction shown in illustration.
- Push claw B in the arrow 2 direction shown in illustration to unlock, and pull out the mirror in the arrow 3 direction shown in illustration.
| CAUTION | Before removing the front seat assembly, refer to SERVICE PRECAUTIONS , SIDE-AIRBAG MODULE(S) < EXCEPT RALLIART > and SIDE-AIRBAG MODULE(S) < RALLIART > . |
Scheme 25
<< A >> WIRING HARNESS CONNECTOR DISCONNECTION
Disconnect the following wiring harness connectors
| Connector number | Connector name |
|---|---|
| D-27 (4 - black) | Heated seat assembly connector (LH) < Vehicle with heated seat > |
| D-28 (2 - gray) | Seat slide sensor connector (LH) |
| D-29 (4 - black) | Seat belt switch connector (Driver's seat) |
| D-30 (2 - yellow) | Side-airbag module (Squib) connector (LH) < Vehicles with side-airbag > |
| D-32 (2 - yellow) | Side-airbag module (Squib) connector (RH) < Vehicles with side-airbag > |
| D-33 (4 - black) | Seat belt switch connector (Passenger's seat) |
| D-34 (4 - black) | Heated seat assembly connector (RH) < Vehicle with heated seat > |
| D-35 (6) | Front seat assembly connector (RH) |
WIRING HARNESS CONNECTORS REFERENCE TABLE
Scheme 26
Note. When disconnecting the side air bag module connectors of D-30 and D-32, unlock the connector by sliding the locking button to the direction of the arrow as shown in the figure, and then disconnect the connector.
Scheme 27
Scheme 28
- Temporarily tighten the bolts in all mounting locations shown in the illustration with no load applied to the front seat cushion and check the operation of the seat slide.
- Tighten the bolts in all mounting locations to the specified torque.
Scheme 29
- Check for continuity between terminals. HEATED SEAT SWITCH CONTINUITY CHECK Item Switch position Tester connection Specified condition Driver's seat side HI 1 - 5, 3 - 8 Continuity exists (2ohms or less) OFF 1 - 5, 3 - 5, 5 - 8 Open circuit LO 3 - 5 Continuity exists (2ohms or less) Front passenger's seat side HI 4 - 5, 8 - 9 Continuity exists (2ohms or less) OFF 4 - 5, 5 - 8, 5 - 9 Open circuit LO 5 - 9 Continuity exists (2ohms or less)
- Check that the indicator is lighted at HI or LO when battery voltage is supplied to terminal 5 and terminal 8 is grounded.
- Check that indicator is lighted when battery voltage is supplied to terminals 2 and terminal 6.
SEAT CUSHION HEATER CHECK
Measure the resistance between terminals.
Standard value: At room temperature 20°C (68°F)
| Tester connection | Specified condition |
|---|---|
| Heated seat assembly terminal 1 - Seat back heater terminal 1 | 4.04 - 4.94 ohms < Standard seat > |
| 4.83 - 5.85 ohms < Sport seat > | |
| 3.84 - 4.69 ohms < RECARO seat > | |
| Heated seat assembly terminal 2 - Seat back heater terminal 1 | 0.23 - 0.28 ohms < Standard seat > |
| 0.15 - 0.19 ohms < Sport seat > | |
| 0.14 - 0.18 ohms < RECARO seat > |
SEAT CUSHION HEATER CHECK
Scheme 30
SEATBACK HEATER CHECK
Measure the resistance between terminals.
Standard value: At room temperature 20°C (68°F)
| Tester connection | Specified condition |
|---|---|
| Terminal 1 - terminal 2 | 4.86 - 5.94 ohms < Standard seat > |
| 4.06 - 4.96 ohms < Sport seat > | |
| 5.40 - 6.60 ohms < RECARO seat > |
SEATBACK HEATER CHECK
Scheme 31
HEATED SEAT RELAY CONTINUITY CHECK
| Battery voltage | Tester connection | Specified condition |
|---|---|---|
| Not applied | 3 - 4 | Open circuit |
| Connect terminal 1 to the positive battery terminal Connect terminal 2 to the negative battery terminal | 3 - 4 | Continuity exists (2ohms or less) |
HEATED SEAT RELAY CONTINUITY CHECK
Scheme 32
Scheme 33
Required Special Tool
- MB990784: Ornament Remover
Scheme 34
Required Special Tool
- MB990784: Ornament Remover
<< A >> HEIGHT ADJUSTER CAP REMOVAL
Use special tool MB990784 as shown in the figure to remove the height adjuster lever cover.
Scheme 35
<< B >> HEAD RESTRAINT GUIDE REMOVAL
Peel of the front seatback cover and pad to access the head-restraint guides. Pull off the guides upwards while pushing the tabs (arrows) as shown in illustration.
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>> A << REAR SEATBACK ASSEMBLY (LH/RH) INSTALLATION
Place the center hinge bracket of the rear seatback assembly (LH) on top of the center hinge bracket of the rear seatback assembly (RH) for installation.
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- Place the rear seat reclining adjuster of the rear seatback assembly (LH) on top of the rear seat reclining adjuster of the rear seatback assembly (RH) for installation.
- Among the three fixed positions, securely fit the rear seat folding cable in the center position.
>> C << REAR SEATBACK SIDE ASSEMBLY (LH/RH) < SPRIT SEAT >/REAR SEATBACK ASSEMBLY < BENCH SEAT > INSTALLATION
Press the rear seatback side assembly in the direction shown in the illustration and fit the attachment wire into the hook securely to install the rear seatback side assembly.
Scheme 43
>> D << REAR SEAT CUSHION ASSEMBLY INSTALLATION
Fit the rear seat cushion into the rear seat hook securely.
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<< A >> HEAD RESTRAINT GUIDE REMOVAL
Peel off the rear seatback cover and pad to access the head-restraint guides. Pull off the guides upwards while pushing the tabs (arrows) as shown in the figure.
Scheme 48
<< B >> REAR SEAT BELT SASH GUIDE COVER REMOVAL
Remove the rear seat belt sash guide cover by pulling it toward the rear side of the rear seatback.
Scheme 49
| CAUTION | SRS: Before removing and installing the seat belts with pre-tensioner, refer to SERVICE PRECAUTIONS and AIR BAG MODULE AND SEAT BELT PRE-TENSIONER DISPOSAL PROCEDURES . |
Scheme 50
<< A >> UPPER CENTER PILLAR TRIM CAP REMOVAL
Remove the opening trim. Remove the trim cap by inserting the special tool ornament remover (MB990784) between the trim and body as shown in the illustration.
SEAT BELT BUCKLE SWITCH CONTINUITY CHECK (DRIVER'S SIDE)
| Item | Tester connection | Specified condition |
|---|---|---|
| Fastened seat belt | 1 - 2 | Open circuit |
| Unfastened seat belt | 1 - 2 | Continuity exists (2ohms or less) |
SEAT BELT BUCKLE SWITCH CONTINUITY CHECK (DRIVER'S SIDE)
Scheme 51
SEAT BELT BUCKLE SWITCH CHECK (PASSENGER'S SIDE)
Apply the voltage (5V) to the seat belt switch connector terminals and measure the current at that time.
Power supply voltage: 5V
| Battery connection | Check condition | Normal condition |
|---|---|---|
| Connect terminal 1 to the positive battery terminal Connect terminal 2 to the negative battery terminal | The seat belt is fastened. | 12 - 17 mA |
| The seat belt is unfastened. | 4 - 7 mA |
SEAT BELT BUCKLE SWITCH CHECK (PASSENGER'S SIDE)
