PRECAUTION 1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: After the ignition switch is turned off, the navigation system requires approximately a minute to record various types of memory and settings. As a result, after turning the ignition switch off, wait a minute or more before disconnecting the cable from the negative (-) battery terminal. 2. PRECAUTIONS FOR SD CARD (a) The navigation system uses an SD card containing data such as map data. ![]()
(b) Precaution for removing the SD card NOTICE:
(1) Before removing the SD card, make sure that the ignition switch is turned off. 3. Precaution for handling the SD card ![]() NOTICE:
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Toyota Tundra Service Manual > Sfi System: Intake Air Temperature Circuit Low Input (P0112,P0113)
DESCRIPTION The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF) meter, monitors the IAT. The IAT sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the IAT is low, the resistance of the thermistor increases. Whe ...