Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Smart Access System With Push-Button Start





DOOR LOCK: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: TERMINALS OF ECU

1. CHECK CERTIFICATION ECU





(a) Disconnect the E13 ECU connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.





If the result is not as specified, the wire harness side may have a malfunction.

(c) Reconnect the E13 ECU connector.

(d) Measure the voltage according to the value(s) in the table below.













If the result is not as specified, the ECU may have a malfunction.

(e) Inspect using an oscilloscope.





Waveform 1 (Reference):





(f) Inspect using an oscilloscope.





Waveform 2 (Reference):





2. MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)

(a) Measure the voltage and resistance according to the value(s) in the table below.









If the result is not as specified, the junction block may have a malfunction.