LIN Communication System (Diagnostics - Introduction): Other Scion FR-S I

PRECAUTION [07/2013 - 12/2013]

Note. After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work. Refer to PRECAUTION [07/2013 - ] .

1. PRECAUTIONS WHEN USING TECHSTREAM When using the Techstream to troubleshoot with the ignition switch off: Connect the Techstream to the DLC3, and turn the courtesy light switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins. After all DTCs are cleared, check if the trouble occurs again 6 seconds after the ignition switch to ON.

PRECAUTION [12/2013 - ]

Note. After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work. Refer to PRECAUTION [07/2013 - ] .

1. IGNITION SWITCH EXPRESSIONS HINT: The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this Service Information. Expression Ignition Switch (Position) Engine Switch (Condition) Ignition Switch off LOCK Off (Lock) Ignition Switch ACC ACC On (ACC) Ignition Switch ON ON On (IG) Engine Start START On (Start)
2. PRECAUTIONS WHEN USING TECHSTREAM When using the Techstream to troubleshoot with the ignition switch off: Connect the Techstream to the DLC3, and turn the courtesy light switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins. After all DTCs are cleared, check if the trouble occurs again 6 seconds after the ignition switch to ON.

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Scheme 90

1. DOOR BUS LINES

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Scheme 92

1. DOOR BUS LINES
2. CERTIFICATION BUS LINES (w/ Smart Key System)