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A: Go to step 5 B: Go to step 6 4. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM) a. Disconnect the R1 canister pump module connector. Fig. 179: Identifying Terminals Of R1 Canister Pump Module Connector b. Measure the resistance according to the value(s) in the table below. Standard resistance RESISTANCE SPECIFIED CONDITION c. Turn the ignition switch to ON. d. Measure the voltage according to the value(s) in the table below. Standard voltage VOLTAGE SPECIFIED CONDITION Result RESULT REFERENCE Tester Connection Condition Specified Condition R1-2 (SGND) - Body ground Always 100 ohms or less Tester Connection Switch Condition Specified Condition R1-4 (VCC) - Body ground Ignition switch ON 4.5 to 5.5 V R1-3 (VOUT) - Body ground Ignition switch ON 4.5 to 5.5 V Test Result Suspected Trouble Area Proceed to Voltage and resistance within Open in canister pressure sensor circuit A
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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