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:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT SUPPORT TO FRONT SHOCK ABSORBER NUT
(a) Secure SST in a vise.
SST: 09727-30021
09727-00010
09727-00031
SST: 09727-00060
(b) Attach the ar ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY
(a) for Driver Side:
(1) Check the operation of the separate type front seat cushion spring
assembly (slide motor).
Check that the separate type front seat c ...
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