tC L4-2.4L (2AZ-FE) (2005)
b. Connect the connector to the air conditioning amplifier assembly and inspect the wire harness side connector from the back side, as shown in
the table.
1. wave form 1:
Measure the wave form between terminals C4-13 (BLC) and A4-9 (GND).
OK: A wave form should be output as shown in the illustration.
HINT: Wave form cycle varies with the blower level.