Special Service Tool
The actual shape of the tools may differ from those illustrated here.

Commercial Service Tool

General Precaution
Periodic maintenanceOn board diagnosis function
ON BOARD DIAGNOSIS ITEM
The on board diagnostic system has the following functions.
Diagnostic test mode
Function
Bulb check
MIL can be checked.
SRT status
ECM can read if SRT codes are set.
Malfunction warning
If ECM detects a malfunction, it illumina ...
P0604 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0604
ECM
[Internal control module
random access memory
(RAM) error]
Malfunction in the internal RAM of ECM.
ECM
DTC CON ...
C1604 Torque sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
C1604
TORQUE SENSOR
When torque sensor output signal is malfunctioning
Harness or connector
Torque sensor
EPS control unit
DTC CONFIRMATION ...