Keyless Entry: Description and Operation
System DescriptionINPUTS
Power is supplied at all times
- from 40 A fusible link (letter I, located in the fuse and fusible link box)
- to circuit breaker terminal 1
- through circuit breaker terminal 2
- to smart entrance control unit terminal 51
- to smart entrance control unit terminal 49 and
- to key switch terminal 2 (M/T models) or 3 (A/T models)
- through 10 A fuse [No. 13, located in the fuse block (J/B)].
When the key switch is ON (ignition key is inserted in key cylinder), power is supplied
- through key switch terminal 1 (M/T models) or 4 (A/T models)
- to smart entrance control unit terminal 25.
When the front door switch LH is ON (door is OPEN), ground is supplied
- to smart entrance control unit terminal 1
- through front door switch LH terminal 2
- to front door switch LH terminal 3
- through body grounds B7 (without automatic drive positioner) or B59 (with automatic drive positioner) and B12.
When the front door switch RH is ON (door is OPEN), ground is supplied
- to smart entrance control unit terminal 2
- through front door switch RH terminal 2, and
- to front door switch RH terminal 3
- through body grounds B106 and B127.
When the rear door switches are ON (door is OPEN), ground is supplied
- to smart entrance control unit terminal 3
- through rear door switches terminal 1
- to rear door switches case grounds.
When door lock/unlock switch of front power window main switch is LOCK/UNLOCK, ground is supplied
- to smart entrance control unit terminal 33
- through front power window main switch terminals 14 and 17, and
- through body grounds M9, M25 and M87.
Keyfob signal is inputted to smart entrance control unit (The antenna of the system is combined with smart entrance control unit).
The remote keyless entry system controls operation of the
- power door lock
- auto door lock
- trunk lid opener
- interior lamp
- panic alarm
- hazard and horn reminder
- power window opener
OPERATED PROCEDURE
Power Door Lock Operation
Smart entrance control unit receives a LOCK signal from keyfob. Smart entrance control unit locks all doors with input of LOCK signal from keyfob.
When an UNLOCK signal is sent from keyfob once, drivers door will be unlocked.
Then, if an UNLOCK signal is sent from keyfob again within 5 seconds, all other door will be unlocked. Select unlock mode can be changed by CONSULT-II With Manufacturer's Scan Tool (CONSULT-II)
Auto Door Lock Operation
Auto lock function signal is sent for operation when any of the following signals are not sent within 5 minutes after the unlock signal is sent from the keyfob:
- when door switch is turned ON for open.
- when the ignition switch is turned ON.
- when the lock signal is sent from the keyfob.
Auto door lock mode can be changed by CONSULT-II. With Manufacturer's Scan Tool (CONSULT-II)
Hazard and Horn Reminder
Power is supplied at all times
- to vehicle security horn relay-1 terminals 1 and 3, and
- to vehicle security horn relay-2 terminal 1
- through 10 A fuse (No. 61, located in the fusible link and fuse box), and
- to horn relay terminal 2
- through 10 A fuse (No. 57, located in the fusible link and fuse box)
When smart entrance control unit receives LOCK or UNLOCK signal from keyfob with all doors closed, ground is supplied
- to vehicle security horn relay-2 terminal 2
- through smart entrance control unit terminal 42
Vehicle security horn relay-2 is then energized
- to horn relay terminal 1, and
- to vehicle security horn relay-1 terminal 2
- through vehicle security horn relay-2 terminals 5 and 3, and through body ground E11, E22 and E53
- to smart entrance control unit terminals 47 and 48 from hazard warning lamp system.
Vehicle security horn relay-1 and horn relay are now energized, and hazard warning lamp flashes and horn sounds as a reminder.
The hazard and horn reminder has six steps.
Operating function of hazard and horn reminder
How to change hazard and horn reminder mode
With CONSULT-II
Hazard and horn reminder can be changed by CONSULT-II. With Manufacturer's Scan Tool (CONSULT-II)
Without CONSULT-II
When LOCK and UNLOCK signals are sent from the keyfob for more than 2 seconds at the same time, the hazard and horn reminder mode is changed and hazard warning lamp flashes and horn sounds as follows:
NOTE: Reminder mode setting cannot be changed without CONSULT-II for MODES 3,4, 5, and 6. However, C and S MODES can be changed without CONSULT-II.
Interior Lamp Operation
When the following input signals are both supplied:
- door switch CLOSED (when all the doors are closed);
- drivers door LOCKED;
remote keyless entry system turns on interior lamp and key hole illumination (for 30 seconds) with input of UNLOCK signal from keyfob.
For detailed description, refer to "INTERIOR, STEP, SPOT, VANITY MIRROR AND TRUNK ROOM LAMPS".
Panic Alarm Operation
When key switch is OFF (when ignition key is not inserted in key cylinder), remote keyless entry system turns on and off horn and headlamp intermittently with input of PANIC ALARM signal from keyfob.
The alarm automatically turns off after 25 seconds or when smart entrance control unit receives any signal from keyfob.
For detailed description, refer to VEHICLE SECURITY SYSTEM. Antitheft and Alarm Systems
The panic alarm buttons pressing time on keyfob can be changed by CONSULT-II. With Manufacturer's Scan Tool (CONSULT-II)
Trunk Lid Opener Operation
Power is supplied at all times
- through 15 A fuse [No. 3, located in the fuse block (J/B)]
- to trunk lid opener actuator terminal 2.
When a TRUNK OPEN signal is sent with key OFF (ignition key removed from key cylinder) from keyfob, ground is supplied
- to trunk lid opener actuator terminal 1
- through smart entrance control unit terminal 63.
Then power and ground are supplied, trunk lid opener actuator opens trunk lid.
The trunk lid opener buttons pressing time on keyfob can be changed by CONSULT-II. With Manufacturer's Scan Tool (CONSULT-II)
Power Window Opener Operation
The front power windows open when the unlock button on keyfob is activated and kept pressed for more than 3 seconds with the ignition key OFF. The windows keep opening if the unlock button is continuously pressed.
The power window opening stops when the following operations are carried out:
- When the unlock button is kept pressed more than 15 seconds.
- When the ignition switch is turned ON while the power window opening is operated.
- When the unlock button is released.
The unlock buttons pressing time can be changed by CONSULT-II. [1][2]Scan Tool Testing and Procedures
Door Lock/Unlock and front power window down signal is supplied
- through smart entrance control unit terminal 33
- to front power window main switch terminal 14 and
- to front power window switch RH terminal 16.