Diagnosis Procedure
1. CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.

2. CHECK POWER SUPPLY CIRCUIT

3. CHECK GROUND CIRCUIT

Check continuity between IPDM E/R harness connectors and ground.

B2099 ignition relay off stuck
ECU diagnosis informationLifting sensor (front)
Description
The lifting sensor (front) is installed to the seat frame.
The pulse signal is input to the driver seat control unit when the
lifting (front) is operated.
The driver seat control unit counts the pulse and calculates the lifting
(front) amount of the seat.
Component Funct ...
Meter buzzer circuit
Description
The buzzer for warning chime system is installed in the
combination meter.
The combination meter sounds the alarm buzzer based on the signals
transmitted from various units.
Component Function Check
1. CHECK OPERATION OF METER BUZZER
Select "BUZZER" of "BCM" on CONSUL ...
Back-up lamp
Wiring Diagram
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