Toyota 4Runner: Terminals Of Ecu
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 |
|
Pulse generation |
If the result is not as specified, the ECU may have a malfunction.
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page ).
2. FUNCTION OF POWER STEERING WARNING LIGHT
(a) When a malfunction is detected in the power steering system, the power steering
wa ...
Other materials about Toyota 4Runner:
Removal
REMOVAL
PROCEDURE
1. REMOVE JACK BOX HOLE COVER
2. REMOVE REAR QUARTER PANEL MUDGUARD LH
3. REMOVE REAR QUARTER PANEL MUDGUARD RH
HINT:
Use the same procedure as for the LH side.
4. REMOVE REAR BUMPER COVER
(a) Remove the 2 bolts and 2 screws.
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN
COLLISION)
(a) Perform a diagnostic system check (See page
).
(b) With the lower No. 1 instrument panel airbag installed on the vehicle, perf ...
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