Related Tacoma materials
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when malfunctions occur.
The diagnostic system allows for reading of the trouble codes from the DLC3.
Use the Techstream to help diagnose and repair the problem.
2. CHECK DLC3
(a) Check the DLC3 (See page ).
3. INSPECT BATTERY VOLT ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Perform the following procedure to troubleshoot the dynamic radar cruise
control system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Cruise Control Switch Circuit
DESCRIPTION
This circuit sends signals to the ECM depending on the cruise control main switch
condition.
The battery supplies the positive (+) battery voltage to the cruise control main
switch. Then terminal CCS of the ECM receives the voltage as the signal according
to the switch condition. ...