OPERATION CHECK
1. CHECK FUNCTION
(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 make sure that the key is in LOCK or ACC.
(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 if any of the following operations is performed while the buzzer is sounding:
How To Proceed With Troubleshooting
Problem Symptoms TableAntenna Coil Open / Short (B2784)
DESCRIPTION
The transponder key coil is built into the transponder key amplifier and receives
a key code signal from the transponder chip in the key. This signal is amplified
by the amplifier, then it is output to the transponder key ECU assembly.
...
ECM Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, the battery voltage is applied to IGSW
of the ECM. The output signal from the MREL terminal of the ECM causes a current
to flow to the coil, closing the contact of the engine room junction block assemb ...
Rear Occupant Classification Sensor RH Collision Detection (B1788)
DESCRIPTION
DTC B1788 is output when the occupant classification ECU receives a collision
detection signal sent by the rear occupant classification sensor RH if an accident
occurs.
DTC B1788 is also output when the front seat assembly RH is subjected to ...