Toyota Tacoma (2015-2018) Service Manual: Differential
- Bd20d Differential Carrier Assembly(w/o Differential Lock)
- Bd22a Differential Carrier Assembly(w/o Differential Lock)
- Bd22an Differential Carrier Assembly(w/ Differential Lock)
- Differential Carrier Oil Seal
- Differential Oil
- Differential Side Gear Shaft Oil Seal(for 4wd)
- 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)
- Differential System(w/o Differential Lock)
- Front Differential Carrier Assembly(for 4wd)
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
If the millimeter wave radar sensor assembly has been struck or dropped, replace
the millimeter wave radar sensor assembly with a new one.
PROCEDURE
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Other materials:
Brake Warning Light Remains ON
DESCRIPTION
The BRAKE warning light comes on when brake fluid is insufficient, the parking
brake is applied or the EBD is defective.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform
calibration (See page
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System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
4 wheel drive control ECU
Skid control ECU (Brake actuator assembly)
High-Low actuator fail
4WD status ...
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) When a DTC is stored, the 4 wheel drive control ECU stores the current vehicle
state as Freeze Frame Data.
HINT:
Freeze Frame Data at the time a DTC is stored:
When the 4 wheel drive control ECU stores data at the time a DTC is stored, no
updates w ...
