STEP 2. Voltage measurement at the B-317 ETACS-ECU connector.
(1)Disconnect the connector, and measure at the wiring harness side.
(2)Turn the electric motor switch to the "ON" position.
(3)Voltage between B-317 ETACS-ECU connector terminal No.68 and body earth OK: System voltage
Q.
Is the check result normal?
Go to Step 4
Go to Step 3
STEP 3. Check the wiring harness between B-317 ETACS-ECU connector
(terminal 68) and the electric motor switch (IG1).
note
Prior to the wiring harness inspection, check joint connector B-05, junction block connectors
B-302 and B-303, and repair if necessary.
Check the power supply line for open circuit.
Q.
Is the check result normal?
Refer to Inspection Procedure "Malfunction of the electric motor switch power
supply system."
Repair the wiring harness.
STEP 4. M.U.T.-III data list
Check the input signal from the electric motor switch (IG1).
Turn the electric motor switch to the "ON" position.
Item No.
Item name
Normal condition
30
IG SW (IG1) /Power SW(ON)
ON
OK: Normal condition is displayed.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).
Replace the ETACS-ECU and register the ID codes (Refer to ).
)
)
)
Go to Step 2
Repair the defective connector.
