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Fig. 268: Identifying R1 Canister Pump Module Connector Result RESULT REFERENCE B : Go to step 31 A : Go to Next Step 20. INSPECT CANISTER PUMP MODULE (VENT VALVE OPERATION) a. Turn the ignition switch off. b. Disconnect the R1 canister pump module connector. c. Apply the battery voltage to 9 (VLVB) and 8 (VGND) terminals of the canister pump module. d. Touch the canister pump module to confirm the vent valve operation. Test Result Suspected Trouble Area Proceed To 11 to 14 V 1. Wire harness between vent valve and ECM 2. Vent valve 3. ECM A Below 3 V Power source wire harness of vent valve B
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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