17-98 SELF-DIAGNOSIS SYSTEM
ESD (Electronic Steering Damper) ECU Communication Error (Service Code 3C)
ESD ECU Communication Line Inspection
When the data (for status of ESD system) is not sent from
the ESD ECU to the meter unit and ECU, the service code
3C is displayed.
The data is sent through the CAN communication line.
The service code 3C is detected with the meter unit.
When the service code 3C is detected, the white ESD
indicator light (LED) [A] blinks, yellow warning indicator
light (LED) [B] goes on and code of 3C [C] displayed on
Check the wiring for continuity between main harness
ESD ECU Connector (see ESD (Electronic Steering
Damper) ECU Removal in the Steering chapter)
Meter Unit Connector (see Meter Unit Removal in the
Electrical System chapter)
Wiring Continuity Inspection
ESD ECU Connector [A] ←→ Meter Unit Connector
GY/BL lead (ESD ECU terminal 10) [C]
LB lead (ESD ECU terminal 1) [D]
If the wiring is good, replace the ESD ECU (see ESD
(Electronic Steering Damper) ECU Removal/Installation
in the Steering chapter).