Inspection [09/2014 - 11/2017]: Procedure

WARNING: This page is about a different car, the 2017 Lexus RC 350, 2017 Lexus RC 300, 2016 Lexus RC 350, 2016 Lexus RC 300, and 2015 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT CANISTER (CHARCOAL CANISTER ASSEMBLY)

Visually check the canister (charcoal canister assembly).

Visually check the canister (charcoal canister assembly) for cracks or damage.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If cracks or damage are found, replace the canister (charcoal canister assembly).

Check canister (charcoal canister assembly) operation.

With the purge line port closed, blow 0.5 kPa (0.005 kgf/cm² , 0.1 psi) of air into the vent line port, and check that air flows from the air line port.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Vent Line Port
*b	Air Line Port
*c	Purge Line Port
*d	Air

If the result is not as specified, replace the canister (charcoal canister assembly).

With the vent line port closed, blow 0.5 kPa (0.005 kgf/cm² , 0.1 psi) of air into the air line port, and check that air flows from the purge line port.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Vent Line Port
*b	Air Line Port
*c	Purge Line Port
*d	Air

If the result is not as specified, replace the canister (charcoal canister assembly).

Check for air leaks.

Connect a pressure gauge to the vent line port.

*a	Pressure Gauge
*b	Vent Line Port
*c	Air Line Port
*d	Purge Line Port
*e	Leak Detection Pump Sub-assembly Connector

With the purge line port, air line port and leak detection pump sub-assembly connector closed, apply 20 kPa (150 mmHg, 5.91 in. Hg) of pressurized air into the vent line port, then confirm that pressure is maintained for 1 minute.
If the result is not as specified, replace the canister (charcoal canister assembly).

Check the leak detection pump sub-assembly.

Connect a positive (+) battery lead to terminal 5 and a negative (-) battery lead to terminal 1.

Check that a clicking sound is heard from the leak detection pump sub-assembly.
If the result is not as specified, replace the leak detection pump sub-assembly.