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CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
Disconnect the N94 and N95 certification ECU (smart key ECU assembly) connectors.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| N94-1 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| N95-4 (CUTB) - Body ground | P - Body ground | Dark current cut fuse pin input signal* | Always | 11 to 14 V |
| N95-5 (+B) - Body ground | GR - Body ground | Battery power supply | Always | 11 to 14 V |
| N95-16 (IG) - Body ground | B - Body ground | Ignition power supply | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V |
*: In order to prevent the vehicle auxiliary battery from being depleted when the vehicle is shipped long distances, a fuse that cuts unnecessary electrical load while the vehicle is being shipped is set in the circuit. If the fuse is removed, the circuit becomes open. If the fuse that is between the vehicle auxiliary battery and terminal CUTB is removed and the circuit is open, the certification ECU (smart key ECU assembly) changes to a certain control mode (example: the transmission of electric waves every 0.25 seconds. that form the detection area stops).
Reconnect the N94 and N95 certification ECU (smart key ECU assembly) connectors.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| N98-22 (TSW5) - N94-1 (E) | SB - W-B | Luggage electrical key switch input signal | Power switch on (IG), luggage compartment door is fully closed and luggage electrical key switch off | Pulse generation |
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