INSPECTION PROCEDURE I-5: Ignition-linked fold/unfold function does not work normally.

caution

Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If this function does not work normally, the input signal circuit(s) below or the ETACS-ECU may be defective. Also, with the customisation function, the door mirrors may be set to a mode in which the ignition interlock fold/unfold function is not activated.

Ignition switch (IG1)
Door switch (Front; RH)

POSSIBLE CAUSES

Malfunction of the driver’s door switch
Malfunction of the ETACS-ECU
Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

Step 1. Customize function by using the SWS monitor

Use the SWS monitor customisation function to confirm that "DOOR MIRROR" is set to "IG-LINKED FUN".

Q. Is the check result normal?

	Go to Step 2.

	Use the SWS monitor customisation function to confirm that "the door mirrors are set to IG-LINKED FUN." (Refer to .)

Step 2. SWS monitor data list.

Check the SWS communication signals, which are related to the ignition-dependant/unfolding function.

<Selected item> ETACS ECU

Driver's door: open
Turn the ignition switch to the ON position.

Item No.	Item name	Normal conditions
Item 30	IG SW(IG1)	ON
Item 32	DR DOOR SW	ON

OK: Normal conditions are displayed for all the items.

Q. Are the check result normal?

	Normal conditions are displayed for all the items : Go to Step 3.

	Normal condition is not displayed for item No.30 : Refer to inspection procedure P-2 "The ignition switch (IG1) signal is not received ."

	Normal condition is not displayed for item No.32 : Refer to inspection procedure P-4 "The driver’s door switch signal is not received ."

Step 3. Retest the system.

Check that the ignition interlock fold/unfold function for the door mirrors works normally.

Q. Is the check result normal?

	The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).

	Replace the ETACS-ECU.