Toyota 4Runner Quiz
Steering

Terminals Of Ecu

In this manual: Steering
General — 25Audio / Visual / Telematics — 283Brake — 187Drivetrain — 204Power Source / Network — 79Steering — 76Suspension — 130Vehicle Exterior — 391Vehicle Interior — 693
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TERMINALS OF ECU

1. CHECK POWER STEERING ECU ASSEMBLY


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

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

F41-3 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

F41-2 (CANL) - F41-1 (CANH)

W - L

CAN communication

Ignition switch off

54 to 69 Ω

F41-5 (IG) - F41-3 (GND)

G - W-B

IG power supply

Ignition switch ON

11 to 14 V

F41-7 (SOF+) - F41-8 (SOF-)

V - LG

Power steering solenoid valve signal
  • Engine idling
  • Steering wheel turned to right or left

Pulse generation

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

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.