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:
Inspection
INSPECTION
PROCEDURE
1. INSPECT SIDE AUTO STEP MOTOR ASSEMBLY
(a) Check that the motor gear rotates smoothly as follows.
NOTICE:
Do not apply positive (+) battery voltage to any terminals except terminal
5 and 4 to avoid damaging the pu ...
Evaporator Temperature Sensor Circuit (B1413)
DESCRIPTION
The No. 1 cooler thermistor is installed on the evaporator in the air conditioning
unit to detect the temperature of the cooled air that has passed through the evaporator
and control the air conditioning. It sends appropriate signals to the No ...
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