Toyota Tacoma 2015-2018 Service Manual: Smart Key System(for Entry Function)
- Parts Location
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- System Description
- Customize Parameters
- Operation Check
- Problem Symptoms Table
- Diagnosis System
- Terminals Of Ecu
- Diagnostic Trouble Code Chart
- Dtc Check / Clear
- Operation History List
- Open in Driver Side Electrical Antenna Circuit (B27A1)
- Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)
- All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate
- Open in Front Floor Electrical Key Oscillator Circuit (B27A5)
- Driver Side Door Entry Lock and Unlock Functions do not Operate
- Driver Side Door Entry Unlock Function does not Operate
- Driver Side Door Entry Lock Function does not Operate
- Entry Interior Alarm does not Sound
- Room Oscillator does not Recognize Key
- Additional Key cannot be Registered
- New Key cannot be Registered
- Entry Exterior Alarm and Answer-back Buzzer do not Sound
All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch
DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the
door control switch assembly on the front passenger door and activates the door
lock motor on each door ...
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Other materials:
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL CLEARANCE
(a) Using a micrometer and caliper gauge, measure the oil seal clearance.
Text in Illustration
*1
Pulley Shaft
*2
Front Vane Pump Housing
...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harnesses
between the sensors and ECUs can be detected using the ECU Data List function of
the Techstream.
(a) Turn the ignition switch off.
(b) Con ...
Fail-safe Chart
FAIL-SAFE CHART
If there is a problem with sensor signals or actuator systems, the skid
control ECU prohibits power supply to the brake actuator assembly and informs
the ECM of a VSC system malfunction.
The brake actuator assembly turns off the solenoids and the ECM stops
its ...