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
...
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Select “Change Name” using a
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Select the name of the portable
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Taillight Relay Circuit
DESCRIPTION
This is the power source circuit of the clearance warning ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedure.
PROCEDURE
...
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