INSPECTION PROCEDURE A-2: When the ignition switch is at the LOCK (OFF) position, the functions do not work normally. Check the ETACS-ECU battery power supply circuit.

[54D] SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR <Except for Hong Kong spec.> - - SYMPTOM PROCEDURES - INSPECTION PROCEDURE A-2: When the ignition switch is at the LOCK (OFF) position, the functions do not work normally. Check the ETACS-ECU battery power supply circuit.

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INSPECTION PROCEDURE A-2: When the ignition switch is at the LOCK (OFF) position, the functions do not work normally. Check the ETACS-ECU battery power supply circuit.
	CAUTION Whenever the ECU is replaced, ensure that the power supply circuit and the grounding circuit are normal.

	COMMENTS ON TROUBLE SYMPTOM If this circuit is defective and the ignition switch is at the LOCK (OFF) position, the ETACS-ECU does not work. In this case, the functions below will be suspended. Ignition key reminder function Lamp reminder function Power window timer function Keyless entry system Sunroof timer function Ignition key cylinder illumination lamp Headlamp automatic shutdown function However, when the ignition switch is at the ON position, the functions below will work. Reading diagnosis code and checking input signal by MUT-II/III. Central door locking Headlamp and tail lamp Hazard warning lamp Room lamps
	POSSIBLE CAUSES Malfunction of the ETACS-ECU Damaged harness wires and connectors
	DIAGNOSIS PROCEDURE

	Step 1. Connector check: C-217 ETACS-ECU connector Q: Is the check result normal? YES: Go to Step 2 . NO: Repair the defective connector.
	Step 2. Measure the voltage at the C-217 ETACS-ECU connector. Remove the ETACS-ECU, and measure at the junction block side. Voltage between C-217 ETACS-ECU connector terminal No.20 and body earth OK: Battery positive voltage Q: Is the check result normal? YES: Go to Step 4 . NO: Go to Step 3.
	Step 3. Check the wiring harness between C-217 ETACS-ECU connector terminal No.20 and battery. NOTE: Prior to the wiring harness inspection, check intermediate connector C-116, joint connector C-02 and junction block connector C-202, and repair if necessary. Check the power supply line for open circuit. Q: Is the check result normal? YES: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). NO: Repair the wiring harness.
	Step 4. Measure the resistance at the C-217 ETACS-ECU connector. Remove the ETACS-ECU, and measure at the junction block side. Continuity between C-217 ETACS-ECU connector terminal No.3 and body earth OK: 2Ω or less Q: Is the check result normal? YES: Go to Step 6 . NO: Go to Step 5.
	Step 5. Check the wiring harness between C-217 ETACS-ECU connector terminal No.3 and body earth. NOTE: Prior to the wiring harness inspection, check junction block connector C-205, and repair if necessary. Check the earth wires for open circuit. Q: Is the check result normal? YES: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). NO: Repair the wiring harness.
	Step 6. Retest the system. Check that the battery power supply circuit to the ETACS-ECU is normal. Q: Is the check result normal? YES: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). NO: Replace the ETACS-ECU.

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