DESCRIPTION This circuit detects the ignition switch ACC or off condition, and sends it to the main body ECU (multiplex network body ECU). WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(a) Read the Data List according to the display on the Techstream. Click here
OK: Normal conditions listed above are displayed.
(a) Disconnect the driver side junction block assembly connectors. ![]()
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the driver side junction block assembly. Click here ![]()
(b) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Click here (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Air Conditioning: Air Conditioning Panel
Components COMPONENTS ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL AIR CONDITIONING CONTROL ASSEMBLY (a) Attach the 3 clips to install the air conditioning control assembly to the center lower instrument panel finish panel. Text in Illustration *1 Air Conditioning Control Assembly *2 ...