A personal blog to document projects about cars, electronics and software

[3UZ/6AT Series] – Wiring of E3 ECU connector

Next up is connector E3 at position B in the ECU.

Connector FunctionConnectorDT PinConnected ToFunctionNotes
Drive by WireDT06-4P1B35 VCPAPedal
2B34 EPAPedal
3B32 VPA2Pedal
4B33 VPAPedal
5B26 EPA2Pedal
6B27 VCP2Pedal
DiagnosticsDT06-2S1B3 TCTiming Checkgrounding activates diagnostics mode and timing light check. Put on a diagnostics plug?
2B8 WCheck Engine LightPut a diode between this and 12V (7,5A) and you see if the ECU boots and has a CEL. Put on a diagnostics plug?
Not neededB30 SFTUshift upnot needed, To ground through transmission control switch
B28 OX1BO2 Bank 1 Sensor 2 (after cat)not needed
B17 OX2B
O2 Bank 2 Sensor 2 (after cat)
not needed
B16 TachSignal to Tachnot needed
B18 O2B-
O2 Bank 2 Sensor 2 (after cat)
not needed
B29 O1B-
O2 Bank 1 Sensor 2 (after cat)
not needed
B9 SSequential Shift mode?not needed, To IGN through transmission control switch (7,5A)
B7 IMOTo Immobiliser systemnot needed,
B4 STPTo Brake pedal switchnot needed, controls fuel cut off engine speed
B19 SFTDshift downnot needed, To ground through transmission control switch
B2 HT1B
O2 Bank 1 Sensor 2 (after cat)
not needed
B1 HT2B
O2 Bank 2 Sensor 2 (after cat)
not needed
B6 IMIFrom imobiliser systemnot needed
B31 CCSCruise Control Systemnot needed

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