Toyota Tacoma (2015-2018) Service Manual: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
- Clear DTCs (See page
.gif)
). - Switch the ECM from normal mode to check mode using the Techstream (See
page ).
- Perform a simulation test (See page
).
- Check and wiggle the harness(es), connector(s) and terminal(s) (See
page ).
System Diagram
SYSTEM DIAGRAM
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the manual transaxle system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGH ...
Other materials:
Vacuum Pump
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL VACUUM PUMP ASSEMBLY
(a) Apply engine oil to the 2 O-rings on the vacuum pump assembly.
(b) Apply engine oil to the inner surface of the installation hole.
(c) Install the vacuum pump assembly so that th ...
Steering Angle Sensor Initialization Incomplete (C1439,C1445)
DESCRIPTION
The skid control ECU (master cylinder solenoid) acquires steering angle sensor
(spiral cable with sensor sub-assembly) zero point every time the ignition switch
is turned to ON and the vehicle is driven at 35 km/h (22 mph) or more for approximately
5 seconds. The ECU also stores t ...
Road Test
ROAD TEST
HINT:
'SET' and '-', 'RES' and '+', 'ON-OFF' functions share the same switch. Operate
the cruise control main switch according to the directions indicated on the switch.
1. INSPECT 'SET' FUNCTION
(a) Push the ON-OFF button on (A).
(b ...
