xA L4-1.5L (1NZ-FE) (2006)
/Page-1366001.png)
Tachometer: Initial Inspection and Diagnostic Overview
INSPECT TACHOMETER
a. Check operation.
1. Connect the tune-up test tachometer, and start the engine.
NOTE:
-
Reversing the connection of the tachometer will damage the transistors and the insides of the diodes.
-
When removing or installing the tachometer, be careful not to drop or subject it to heavy shocks.
2. Compare the result of the test with the standard indication.
