Toyota Tacoma (2015-2018) Service Manual: Differential System(w/ Rear Differential Lock)
- Parts Location
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- System Description
- Diagnosis System
- Terminals Of Ecu
- Dtc Check / Clear
- Fail-safe Chart
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Invalid Data Received from Vehicle Dynamics Control Module (U0416)
- Rear Differential Lock Solenoid Circuit Low (P17C0)
- Rear Differential Lock Solenoid Circuit High (P17C1)
- Rear Differential Lock Control SW Stuck ON (P17CC)
- Rear Differential Lock Position SW Stuck OFF (P17BB)
- Rear Differential Lock Position SW Stuck ON (P17BC)
- 4WD ECU Malfunction (P163B)
- ECU Power Source Circuit
- Lock Switch Circuit
- Lost Communication With Vehicle Dynamics Control Module (U0122)
Installation
INSTALLATION
PROCEDURE
1. INSTALL DIFFERENTIAL SIDE GEAR SHAFT OIL SEAL
(a) Using SST and a hammer, install a new oil seal.
SST: 09554-30011
(b) Coat the oil seal lip with MP grease.
2. INSTAL ...
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Other materials:
Inspection
INSPECTION
PROCEDURE
1. INSPECT PARK/NEUTRAL POSITION SWITCH
(a) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Component without harness connected
(Park/Neutral Position Switch)
...
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is set when a malfunction is detected in the occupant detection ECU.
DTC No.
DTC Detections Conditions
Trouble Areas
B1794
Occupant detection ECU circuit malfunction
Occupant detection ECU malfuncti ...
How To Proceed With Troubleshooting
PROCEDURE
1.
CHECK TIRE AND WHEEL SYSTEM
DIAGNOSIS OF IRREGULAR TIRE WEAR
GO TO STEP 11
DIAGNOSIS OF TIRE VIBRATION
2.
TIGHTEN WHEEL NUTS
...
