Trouble Diagnosis Chart by Symptom

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Always check the "Work Flow" before troubleshooting. Refer to "WORK FLOW ".
Always check key fob battery before replacing key fob.
The panic alarm operation, back door or trunk lid (Roadster models) opener operation and keyless power window down operation of remote keyless entry system do not activate with the ignition key inserted in the ignition key cylinder.

PROBLEM SYMPTOM TABLE - REMOTE KEYLESS ENTRY SYSTEM

Symptom	Diagnoses/service procedure
All functions of remote keyless entry system do not operate.	1. Key fob battery and function check
	2. Replace key fob. Refer to ID Code Entry Procedure. NOTE: If the result of key fob function check with CONSULT-II is OK, key fob is not malfunctioning.
	3. Remote keyless entry receiver check
	4. Replace BCM
The new ID of key fob cannot be entered without CONSULT-II.	1. Key fob battery and function check
	2. Key switch check
	3. Door switch check
	4. ACC switch check
	5. Door lock and unlock switch check
	6. Replace key fob. Refer to ID Code Entry Procedure. NOTE: If the result of key fob function check with CONSULT-II is OK, key fob is not malfunctioning.
	7. Replace BCM
Door lock or unlock does not work.	1. Door lock operation check.
	2. Key fob battery and function check.
	3. Replace key fob. Refer to ID Code Entry Procedure. NOTE: If the result of key fob function check with CONSULT-II is OK, key fob is not malfunctioning.
	4. Replace BCM
Back door does not open when back door opener button is continuously pressed.	1. Back door opener operation check.
	2. Back door open operation mode check.
	3. Key fob battery and function check
	4. Key switch check
	5. Replace BCM
Trunk does not open when trunk opener button is continuously pressed. (Roadster models)	1. Trunk opener operation check.
	2. Trunk open operation mode check.
	3. Key fob battery and function check
	4. Key switch check
	5. Replace BCM
Hazard reminder does not activate properly when pressing lock or unlock button of key fob.	1. Hazard reminder mode check* *: Hazard reminder can be activated or deactivated. First check the hazard reminder setting.
	2. Check hazard warning lamp function with hazard switch.
	3. Door switch check
	4. Replace BCM
Horn reminder does not activate properly when pressing lock button of key fob.	1. Horn reminder mode check* *: Horn reminder can be activated or deactivated. First check the horn chirp setting.
	2. Check horn chirp function with horn switch.
	3. Door switch check
	4. IPDM E/R operation check
	5. Replace BCM
Interior lamp and step lamp operation do not activate properly.	1. Interior lamp and step lamp operation check
	2. Door switch check
	3. Replace BCM
Panic alarm (horn and headlamp) does not activate when panic alarm button is continuously pressed.	1. Panic alarm mode check* *: Panic alarm can be activated or deactivated. First check the Panic alarm setting.
	2. Key fob battery and function check
	3. Headlamp alarm check
	4. Check horn chirp function with horn switch.
	5. IPDM E/R operation check
	6. Key switch check
	7. Replace key fob. Refer to ID Code Entry Procedure. NOTE: If the result of key fob function check with CONSULT-II is OK, key fob is not malfunctioning.
	8. Replace BCM
Auto door lock operation does not activate properly. (All other remote keyless entry system function is OK.)	1 Auto door lock operation mode check* *: Auto door lock operation can be activated or deactivated. First check the auto door lock operation setting.
	2. Replace BCM
Keyless power window down (open) operation does not activate properly. (All other remote keyless entry system function is OK.)	1. Power window down operation mode check* *: Power window down operation can be activated or deactivated. First check the power window down setting.
	2. Check power window function
	3. Replace BCM