INSPECTION PROCEDURE 1. INSPECT CHARCOAL CANISTER ASSEMBLY
(b) Check charcoal canister assembly operation.
(c) Check for air leaks.
(2) With the purge line port and air inlet line port closed, apply 20 kPa (150 mmHg, 5.91 in.Hg) of pressurized air 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. (d) Check the canister pump module.
(2) Check that a clicking sound is heard from the canister pump module. If the result is not as specified, replace the canister pump module. |
Toyota Tundra Service Manual > Window Defogger System: Data List / Active Test
DATA LIST / ACTIVE TEST 1. ACTIVE TEST HINT: Using the Techstream to perform the Active Tests allows relays, VSVs and actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered befo ...