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:
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction
in the ECU itself or in system circuits.
The DTCs can be read through the DLC3 of the vehicle. When the system seems to
be malfunctioning, use the Techstream to check for malfunctions ...
Four Wheel Drive (4WD) Range Signal Circuit Range / Performance (P279E)
DESCRIPTION
When the transfer position switch is switched, the 2-4 terminal and LO terminal
change to one of the following ON/OFF combinations listed in the table below.
Terminal
2WD
Between 2WD and H4
H4
Between H4 and L4
L4
...
Taillight Relay Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the operation of the
TAIL relay.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
If the main body EC ...
