Tundra 4WD V8-4.6L (1UR-FE) (2010)
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Standard resistance:
(4) If the resistance is not as specified, repair or replace the harness or connector.
(c) Check the 4WD control switch.
(1) Turn the ignition switch OFF.
(2) Connect the L1 switch connector.
(3) Connect the A25 and A26 ECU connectors.
(4) Measure the voltage according to the value(s) in the table below.
Standard voltage:
(5) If the voltage is not as specified, check the 4WD control ECU.
(d) Check the 4WD control ECU.
(1) Disconnect the L1 switch connector.
(2) Measure the voltage according to the value(s) in the table below.
