Lexus NX: Terminals Of Ecu
TERMINALS OF ECU
MOBILE WIRELESS CHARGER CRADLE ASSEMBLY
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
|
*1: When the power switch is turned from off to on (ACC), the mobile wireless charger cradle assembly checks the charging stop signal for 1 second. If the charging stop signal is not 4 V or higher for 0.8 seconds or more within 1 second continuously, the mobile wireless charger cradle assembly determines that there is an open circuit in the charging stop signal circuit, blinks the indicator amber (pattern 1), and stops operation until the next time the power switch is turned on (ACC).
*2: For the certification ECU (smart key ECU assembly) charging stop signal reception conditions, | ||||
| K1-1 (PGND) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| K1-5 (ACC) - Body ground | B - Body ground | Power source (ACC) | Power switch on (ACC) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| K1-6 (B+) - Body ground | L - Body ground | Power source (+B) | Power switch off | 11 to 14 V |
| K1-7 (DIS) - Body ground | W - Body ground | Smart access system with push-button start status signal | Within 1 second after turning power switch from off to on (ACC)*1 | 4.5 to 6.0 V |
| When charging | Below 1 V | |||
| When charging is temporarily stopped by charging stop signal from certification ECU (smart key ECU assembly)*2 | 4.5 to 6.0 V | |||
| K1-10 (TAIL) - Body ground | GR - Body ground | Illumination signal | Headlight dimmer switch assembly off | Below 1 V |
| Headlight dimmer switch assembly set to TAIL or HEAD | 11 to 14 V | |||
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Wireless Charger Power Source Circuit
DESCRIPTION This is the power source circuit to operate the mobile wireless charger cradle assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this syst
Status Signal Circuit
DESCRIPTION This circuit sends a charging stop signal from the certification ECU (smart key ECU assembly) to the mobile wireless charger cradle assembly. Based on this signal, the wireless charging sy
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On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug. Click here PROCEDURE 1. PERFORM SPARK TEST (a) Check for DTCs. Click here NOTICE: If any DTC is output, perform troubleshooting procedures for that DTC.
System Description
SYSTEM DESCRIPTION IMMOBILISER SYSTEM DESCRIPTION (a) The immobiliser system determines whether or not to enable starting of the hybrid control system based on a comparison of the key ID code and the vehicle pre-registered code. The immobiliser system compares the vehicle certification ECU (smart ke
