Sequoia 4WD V8-5.7L (3UR-FE) (2009)
(a) Disconnect the PNP switch connector.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
6. CHECK HARNESS AND CONNECTOR (PNP SWITCH - ECM - ST RELAY)