Toyota 4Runner: Automatic Running Board System
Toyota 4Runner Service Manual / Vehicle Exterior / Exterior Panels / Trim / Automatic Running Board System
- Parts Location
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Data List / Active Test
- Dtc Check / Clear
- Diagnostic Trouble Code Chart
- Motor LH Over Temperature (64,65)
- Motor LH Current Senser (62,63)
- ECU Circuit (61)
- Hall Effect Sensor LH (43,44)
- Side Auto Step LH Stowing Timeout (51-56)
- Hall Effect Sensor LH Pulse (41,42)
- Short to Battery in Hall Effect Sensor Power Circuit (32)
- Short to Battery in Motor RH Circuit (25,26)
- Short to GND in Hall Effect Sensor Power Circuit (31)
- Open in Motor LH Circuit (22,24)
- Short in Motor LH (11,12)
- Short to GND in Motor LH Circuit (21,23)
- Side Auto Step ECU Power Source Circuit
- Side Auto Step Switch Circuit
- Door Courtesy Switch Circuit
- Speed Signal Circuit
Automatic Running Board Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE DOOR SCUFF PLATE ASSEMBLY LH
2. REMOVE COWL SIDE TRIM BOARD LH
3. REMOVE NO. 1 INSTRUMENT CLUSTER FINISH PANE ...
Parts Location
PARTS LOCATION
ILLUSTRATION
...
Other materials about Toyota 4Runner:
Electronic Circuit Inspection Procedure
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
1. BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance measurements should be made at an
ambient temperature of 20°C (68°F). Resistance measurements may b ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK 4WD CONTROL ECU
(a) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Speci ...
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