DESCRIPTION DTC B1795 is set when a malfunction is detected in the occupant classification ECU. Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present.
HINT:
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Turn the ignition switch to ON, and wait for at least 60 seconds. (b) Clear any DTCs stored in the memory (see page
HINT:
(c) Turn the ignition switch off, and wait for at least 10 seconds. (d) Turn the ignition switch to ON, and wait for at least 60 seconds. (e) Using the Techstream, check for DTCs of the occupant classification ECU (see
page OK: DTC B1795 is not output. HINT: DTCs other than DTC B1795 may be output at this time, but they are not related to this check.
(a) Turn the ignition switch off. (b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds. (c) Replace the occupant classification ECU.
HINT: Perform the inspection using parts from a normal vehicle when possible.
(a) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds. (b) Connect the Techstream to the DLC3. (c) Turn the ignition switch to ON, and wait for at least 60 seconds. (d) Using the Techstream, perform the zero point calibration (see page
(a) Using the Techstream, perform the sensitivity check (see page
Standard range: 27 to 33 kg (59.5 to 72.8 lb)
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Toyota Tundra Service Manual > Lin Communication System: Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be ...