New ID of Remote Controller Cannot Be Entered

NEW ID OF REMOTE CONTROLLER CANNOT BE ENTERED

System Description
A maximum four ID codes are allowed. When more than tour ID codes are entered, the oldest ID code will be erased.
Even if the same ID code that is already in the memory is input, the same ID code can be entered. The code is counted as an additional code.

Possible Cause
- Remote controller battery
- Key switch
- Door switch
- Door lock/unlock switch LH
- Circuit open or short
- Remote controller

Diagnostic Repair Procedure (for confirmed incidents)
1. Check remote controller battery: Proper installation and voltage spec = 3V or more.
2. Check remote controller function: Use CONSULT-II DATA MONITOR in MULTI REMOTE ENT to confirm each signal in the remote controller. See illustration.




a. Replace remote controller.
3. Check power supply to smart entrance control unit.
4. Check ground circuit to smart entrance control unit.
5. Check ACC signal to smart entrance control unit.
6. Check key switch input signal: Use CONSULT-II DATA MONITOR in MULTI REMOTE ENT to confirm that KEY ON SW indicates ON when key is inserted into ignition key cylinder. Confirm OFF when key is removed from ignition key cylinder.
a. Check power supply to the key switch.
b. Check circuit between the key switch and smart entrance control unit: Continuity/No shorts to ground
c. Key switch component test: Continuity should exist when the key is inserted; no continuity with the key removed.
7. Check door switch input signal: Use CONSULT-II DATA MONITOR in MULTI REMOTE ENT to confirm that DOOR SW-ALL indicates ON when any door is open. Confirm OFF when all doors are closed.
a. heck circuit between smart entrance control unit and door switch: Continuity/No shorts to ground.
b. Check circuit between door switch and ground: Continuity.
c. Door component test: Continuity should exist when the switch is in the released (open) position; no continuity in the depressed (closed) position.
8. Check door lock/unlock switch input signal circuit: Use CONSULT-II DATA MONITOR in MULTI REMOTE ENT to confirm that LOCK SW DR/AS indicates ON when lock/unlock switch is turned to LOCK. Confirm that UNLK SW DR/AS indicates ON when lock/unlock switch is turned to UNLOCK.
a. Check circuit between smart entrance control unit and door lock/unlock switch: Continuity/No shorts to ground.
b. Check circuit between door lock/unlock switch and ground: Continuity.
c. Door lock/unlock switch component test:




Check continuity between door lock/unlock switch terminals. See illustration.