Seats: Description and Operation
POWER SEATSystem Description
Power is supplied at all times,
- to BCM terminal 7
- through 40 A fusible link (mark F, located in the fusible link),
- to passenger seat control unit terminal 34
- through 10 A fuse [No. 21, located in the fuse block (J/B)],
- to driver side power seat switch terminal 1 and passenger seat control unit terminal 39
- through BCM terminal 28.
When ignition switch in ON or START position, power is supplied
- to passenger seat control unit terminal 2
- thought 10 A fuse [No. 12, located in the fuse block (J/B)].
When ignition switch in START position, power is supplied
- to passenger seat control unit terminal 1
- thought 10 A fuse [No. 9, located in the fuse block (J/B)].
DRIVER SIDE SEAT OPERATION
When a driver side seat sliding switch is operated forward, power is supplied
- to sliding motor terminal 5
- through power seat switch terminal 5.
Then ground is supplied
- to sliding motor terminal 6
- through power seat switch terminal 6
- through power seat switch terminal 2
- through body ground B5, B6 and T14.
The driver side seat moves forward.
When a driver side seat sliding switch is operated backward, power is supplied
- to sliding motor terminal 6
- through power seat switch terminal 6.
Then ground is supplied
- to sliding motor terminal 5
- through power seat switch terminal 5
- through power seat switch terminal 2
- through body ground B5, B6 and T14.
The driver side seat moves backward.
When a driver side seat reclining switch is operated forward, power is supplied
- to reclining motor terminal 3
- through power seat switch terminal 3.
Then ground is supplied
- to reclining motor terminal 4
- through power seat switch terminal 4
- through power seat switch terminal 2
- through body ground B5, B6 and T14.
The driver side seat folds forward.
When a driver side seat reclining switch is operated backward, power is supplied
- to reclining motor terminal 4
- through power seat switch terminal 4.
Then ground is supplied
- to reclining motor terminal 3
- through power seat switch terminal 3
- through power seat switch terminal 2
- through body ground B5, B6 and T14.
The driver side seat reclines backward.
PASSENGER SIDE SEAT MANUAL OPERATION
When a passenger side seat sliding switch is operated forward, ground is supplied
- to passenger seat control unit terminal 14
- through power seat switch terminal 14
- through power seat switch terminal 40B
- through body ground B5, B6 and T14.
Then passenger seat control unit recognizes the forward signal, power is supplied simultaneously
- to sliding motor terminal 45
- through passenger seat control unit terminal 45
Then ground is supplied
- to sliding motor terminal 37
- through passenger seat control unit terminal 37
The passenger side seat moves forward.
When a passenger side seat sliding switch is operated backward, ground is supplied
- to passenger seat control unit terminal 15
- through power seat switch terminal 15
- through power seat switch terminal 40B
- through body ground B5, B6 and T14.
Then passenger seat control unit recognizes the backward signal, power is supplied simultaneously
- to sliding motor terminal 37
- through passenger seat control unit terminal 37
Then ground is supplied.
- to sliding motor terminal 45
- through passenger seat control unit terminal 45
The passenger side seat moves backward.
When a passenger side seat reclining switch is operated forward, ground is supplied
- to passenger seat control unit terminal 12
- through power seat switch terminal 12
- through power seat switch terminal 40B
- through body ground B5, B6 and T14.
Then passenger seat control unit recognizes the forward signal, power is supplied simultaneously
- to reclining motor terminal 42
- through passenger seat control unit terminal 42
Then ground is supplied
- to reclining motor terminal 35
- through passenger seat control unit terminal 35
The passenger side seat folds forward.
When a passenger side seat reclining switch is operated backward, ground is supplied
- to passenger seat control unit terminal 13
- through power seat switch terminal 13
- through power seat switch terminal 40B
- through body ground B5, B6 and T14.
Then passenger seat control unit recognizes the back ward signal, power is supplied simultaneously
- to reclining motor terminal 35
- through passenger seat control unit terminal 35
Then ground is supplied
- to reclining motor terminal 42
- through passenger seat control unit terminal 42
The passenger side seat reclines backward.
PASSENGER SEATBACK TILT FORWARD/BACKWARD OPERATION
When a passenger side seatback tilt switch is operated forward, ground is supplied
- to passenger seat control unit terminal 8
- through seatback tilt switch terminal 8
- through seatback tilt switch terminal 40
- through body ground B5, B6 and T14.
Then passenger seat control unit recognizes the forward signal, power is supplied simultaneously
- to reclining motor terminal 42
- through passenger seat control unit terminal 42
Then ground is supplied
- to reclining motor terminal 35
- through passenger seat control unit terminal 35
Then, a seat folds front most forward.
When a passenger side seatback tilt switch is operated backward, ground is supplied
- to passenger seat control unit terminal 9
- through seatback tilt switch terminal 9
- through seatback tilt switch terminal 40
- through body ground B5, B6 and T14.
Then passenger seat control unit recognizes the backward signal, power is supplied simultaneously
- to reclining motor terminal 35
- through passenger seat control unit terminal 35
Then ground is supplied
- to reclining motor terminal 42
- through passenger seat control unit terminal 42.
The passenger side seat returns to former position.
INTERLOCKING OPERATION OF THE PASSENGER SEAT WITH THE SOFT TOP
NOTE: See Convertible Top, "System Description" for detailed operation.
CLOSE -> OPEN
When a soft top switch is operated to OPEN, ground is supplied
- to passenger seat control unit terminal 5
- through soft top switch terminal 3
- through soft top switch terminal 1
- through body ground M30 and M66.
Then passenger seat control unit recognizes the soft top OPEN signal, Soft top control unit transmits power window down signal to passenger seat control unit,
- through soft top control unit terminal 36
- to passenger seat control unit terminal 16.
When passenger seat control unit receives power window down signal and soft top OPEN signal, power is supplied simultaneously
- to reclining motor terminal 42
- through passenger seat control unit terminal 42
Then ground is supplied
- to reclining motor terminal 35
- through passenger seat control unit terminal 35
Then, a seat folds 6� forward.
When storage lid closed, soft top control unit transmits a storage lid close signal to passenger seat control unit,
- through soft top control unit terminal 13
- to passenger seat control unit terminal 33.
When passenger seat control unit receives storage lid close signal, power is supplied simultaneously
- to sliding motor terminal 35
- through passenger seat control unit terminal 35
Then ground is supplied
- to sliding motor terminal 42
- through passenger seat control unit terminal 42.
The passenger side seat returns to former position.
OPEN->CLOSE
When a soft top switch is operated to CLOSE, ground is supplied
- to passenger seat control unit terminal 6
- through soft top switch terminal 4
- through soft top switch terminal 1
- through body ground M30 and M66.
Then passenger seat control unit recognizes the soft top CLOSE signal, soft top control unit transmits power window down signal to passenger seat control unit,
- through soft top control unit terminal 36
- to passenger seat control unit terminal 16.
When passenger seat control unit receives power window down signal and soft top CLOSE signal, power is supplied simultaneously
- to reclining motor terminal 42
- through passenger seat control unit terminal 42
Then ground is supplied
- to reclining motor terminal 35
- through passenger seat control unit terminal 35
Then, a seat folds 6� forward.
When soft top lock switch is turned ON, soft top control unit transmits a soft top lock signal to passenger seat control unit, ground is supplied
- to passenger seat control unit terminal 11
- through soft top lock switch terminal 3
- through soft top lock switch terminal 4
- through body ground T14, B5 and B6.
When passenger seat control unit receives soft top lock switch ON signal, power is supplied simultaneously
- to reclining motor terminal 35
- through passenger seat control unit terminal 35
Then ground is supplied
- to reclining motor terminal 42
- through passenger seat control unit terminal 42.
The passenger side seat returns to former position.
PASSENGER SIDE RECLINING MOTOR OPERATION
When a passenger side seat reclining motor is operated, signal is transmitted
- to passenger seat control unit terminal 3
- through reclining motor terminal 3
- through reclining motor terminal 41
- through passenger seat control unit terminal 41.
Then passenger seat control unit judges seatback angle by receiving reclining sensor signal.
"SEATBACK TILT CANCEL SWITCH" OPERATION
When a passenger side seatback tilt cancel switch is operated to CANCEL, ground is supplied
- to passenger seat control unit terminal 7
- through seatback tilt cancel switch terminal 7
- through seatback tilt cancel switch terminal 40C
- through body ground T14, B5 and B6.
Then passenger seat control unit recognizes the CANCEL signal.
When a "seatback tilt cancel switch" is operated to CANCEL, the automatic operation of a passenger seat is not performed.
MANUAL OPERATION
The seat positions can be adjusted by operating the sliding switch and reclining switch located on the side of both driver and passenger seat cushions.
AUTOMATIC OPERATION
Passenger Seatback Tilting Function
- When the "seatback tilt switch" on the rear side of the passenger seatback is operated to tilt forward, the seatback tilts forward to the front most position.
- To tilt the seatback backward or restore its position, push the "seatback tilt switch" on the tilt-backward direction. The seatback will be tilting backwards while the switch is operated. It can be moved backwards until it reaches to its start position.
Conditions For The Operation
Conditions For Stopping The Operation
NOTE: If operation stops as a result of the conditions below use the reclining switch to tilt the seat backward.
- A power seat switch (sliding or reclining) is operated.
- The seat belt is fastened.
- The seatback tilt cancel switch is turned to CANCEL".
Soft Top Interlocking Operation Function
- The seatback tilts forward by approximately 6° (tilt froward operation) when the soft top opens or closes.
- When open/close operation is completed, the seatback returns to the tilt start position (return operation).
Conditions For The Operation
Conditions For The Pausing/Stopping Operation
Seat Status Output Signal
- Depending on the seat status, the "passenger seat control unit" sends the seat status output signal to the "soft top control unit".
- The "soft top control unit" controls the soft top open/close operation based on whether the seat status signal is ON or OFF. For details about soft top control, refer to Convertible Top/Description and Operation, "Operation Chart".
Operation Of The Passenger Seat Linked With The Soft Top
Passenger seat operation during soft top CLOSE operation
1. Passenger seatback tilts forward by approximately 6° as soon as windows go down, when soft top switch has been pushed an CLOSE.
2. Soft top CLOSE operation starts as soon as the passenger seatback tilt forward operation completes.
3. Soft top continues the operation.
4. Passenger seatback goes back to the original position when 5th bow is closed.
Passenger seat operation during soft top OPEN operation
1. Passenger seatback tilts forward by approximately 6° as soon as windows go down, when soft top switch has been pushed an OPEN.
2. Soft top OPEN operation starts as soon as the passenger seatback tilt forward operation completes.
3. Soft top continues the operation.
4. Passenger seatback goes back to the original position when storage lid is closed.
CANCEL FUNCTION
The seatback tilt cancel switch can be used to set following functions ON or OFF.
- The seatback tilt forward/backward function
- The soft top interlocking operation function
CAUTION: If a child seat is installed, turn the seat tilt cancel switch OFF to disable the seatback tilt forward/ backward function and the soft top interlock operation function.
FAIL-SAFE MODE
If the power seat switch is not operated, nor the seat back tilt switch is not operated, nor the soft top interlocking operation is not under operation, and if the passenger seat control unit detects a motor operation power from the soft top control unit, the passenger seat control unit stops the motor by switching the motor power line to ground.
Canceling Fail-Safe Mode
- Disconnect and reconnect the battery terminal.
- Disconnect and reconnect the passenger seat control unit connector.