OPERATION CHECK 1. CHECK KEY REMINDER WARNING SYSTEM (a) Check that the key reminder warning buzzer sounds. (1) With the driver side door closed, insert the key into the ignition key cylinder and then turn the key to the LOCK or ACC position. (2) Check that the buzzer sounds intermittently if the driver side door is opened. (b) Check that the key reminder warning buzzer stops. (1) Check that the buzzer stops sounding when any of the following operations is performed while the buzzer is sounding:
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Toyota Tundra Service Manual > Blind Spot Monitor System: Short to GND or Open in Buzzer (C1ABE)
DESCRIPTION DTC C1ABE is stored when the blind spot monitor sensor LH detects a short to ground or open in the RCTA buzzer (blind spot monitor buzzer) circuit. DTC No. DTC Detection Condition Trouble Area C1ABE Both of the following conditions are met: The blind spot monitor system is on The blind s ...