Toyota Venza manuals

Toyota Venza: Terminals Of Ecu

TERMINALS OF ECU

1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

(a) Disconnect the 2F and 2C driver side junction block connectors.


(b) Disconnect the D50 and D51 main body ECU connectors.

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

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection

Wiring Color

Terminal Description

Condition

Specified Condition

2F-16 (GND1) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

2C-30 (ALTB) - Body ground

BR - Body ground

Battery power supply

Always

11 to 14 V

D50-24 (DCTY) - Body ground

V - Body ground

Driver door courtesy light switch signal

Switch pushed (Door closed)

10 kΩ or higher

D50-24 (DCTY) - Body ground

V - Body ground

Driver door courtesy light switch signal

Switch free (Door open)

Below 1 Ω

D51-5 (KSW) - Body ground

L - Body ground

Unlock warning switch signal

No key is in ignition key cylinder

10 kΩ or higher

D51-5 (KSW) - Body ground

L - Body ground

Unlock warning switch signal

Key is in ignition key cylinder

Below 1 Ω

If the result is not as specified, there may be a malfunction on the wire harness side.

Diagnosis System
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