DESCRIPTION The LIN communication of the components related to the mirror heater occurs between the air conditioning amplifier assembly and air conditioning control assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When using the Techstream with the ignition switch OFF to troubleshoot: Connect the Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the tester and vehicle begins. PROCEDURE
(a) Disconnect the J127 air conditioning control assembly connector. (b) Disconnect the J19 air conditioning amplifier assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Measure the resistance and voltage according to the value(s) in the table below. Standard Resistance:
Standard Voltage:
(a) Temporarily replace the air conditioning control assembly with a new or normally functioning one (See page ). (b) Check that the malfunction disappears. OK: Malfunction disappears.
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Toyota Tundra Service Manual > Vehicle Stability Control System: Open or Short in Brake Pedal Load Sensing Switch (C1429)
DESCRIPTION The brake pedal load sensing switch turns on when the brake pedal is depressed with a force exceeding a predetermined level. The skid control ECU uses this circuit to detect if the brake pedal is depressed or not. DTC No. Detection Item DTC Detection Condition Trouble Area C1429 Open or ...