Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT CHARCOAL CANISTER ASSEMBLY

(a) Visually check the charcoal canister assembly for cracks or damage. If cracks or damage is found, replace the charcoal canister assembly.

(b) Check the canister operation.

(1) With the purge line port and connector closed, blow air at 5 kPa (0.1 kgf/cm2, 0.7 psi) into the vent line port and check that air flows from the air inlet line port.

(2) With the vent line port and connector closed, blow air at 5 kPa (0.1 kgf/cm2, 0.7 psi) into the air inlet line port and check that air flows from the purge line port. If the result is not as specified, replace the charcoal canister assembly.

*1 Connector *a Vent Line Port *b Air Inlet Line Port *c Purge Line Port *d Air

(c) Check for air leaks.

(1) Connect a pressure gauge to the vent line port of the charcoal canister assembly.

*1 Connector *a Vent Line Port *b Air Inlet Line Port *c Purge Line Port *d Pressure Gauge

(2) With the purge line port, air inlet line port and connector closed, apply pressurized air at 19.6 kPa (0.2 kgf/cm2, 2.8 psi) into the vent line port, and then confirm that pressure is retained for 1 minute.

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

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