DESCRIPTION This circuit supplies power to the millimeter wave radar sensor assembly when the ignition switch is ON. WIRING DIAGRAM 
CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE
(b) Turn the ignition switch to ON. (c) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(d) Turn the ignition switch off. (e) Connect the d1 millimeter wave radar sensor assembly connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(c) Connect the d1 millimeter wave radar sensor assembly connector.
(a) Disconnect the d1 millimeter wave radar sensor assembly connector. (b) Disconnect the Ad1 millimeter wave radar wire connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(d) Connect the d1 millimeter wave radar sensor assembly connector. (e) Connect the Ad1 millimeter wave radar wire connector.
(a) Disconnect the d1 millimeter wave radar sensor assembly connector. (b) Disconnect the Ad1 millimeter wave radar wire connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(d) Connect the d1 millimeter wave radar assembly connector. (e) Connect the Ad1 millimeter wave radar sensor wire connector.
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Toyota Tundra Service Manual > Emission Control System: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FUEL CUT-OFF OPERATION (a) Start and warm up the engine. (b) Open the throttle valve and keep the engine speed at 3000 rpm. (c) Use a sound scope to check for injector operating noise. (d) Check that when the accelerator pedal is released, injector operatio ...
