|
Check the part number of the hydraulic unit (integrated with ABS-ECU).
|
|
Q.
Is the check result normal?
|
|
Replace the hydraulic unit (integrated with ABS-ECU). Then go to Step 9.
|
|
|
|
Check the part number of ETACS-ECU.
|
|
Q.
Is the check result normal?
|
|
Replace ETACS-ECU. Then go to Step 9.
|
|
|
|
Use the M.U.T.-III to check whether the ABS system and the ETACS-ECU set a diagnosis code.
|
|
Q.
Is the check result normal?
|
|
Diagnose the system according to the relevant diagnosis code procedure. Then go
to Step 9.
|
|
|
|
Perform the actuator test below to function-check the emergency braking signal system
(Refer to ).
|
|
- Item No. 10: ESS test mode
|
|
Q.
Is the check result normal?
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 -
How
to Cope with Intermittent Malfunction).
|
|
|
|
Using M.U.T.-III, check if any abnormality is present in the coding data below which is
stored in the ETACS-ECU (Refer to GROUP 00 -
Coding Reference Table ).
|
|
Q.
Is the check result normal?
|
|
Replace ETACS-ECU. Then go to Step 9.
|
|
|
|
Q.
Is the check result normal?
|
|
Diagnose the power supply circuit to the ABS-ECU. Then go to Step 9.
|
|
|
|
Perform the actuator test below to function-check the emergency braking signal system
(Refer to ).
|
|
- Item No. 10: ESS test mode
|
|
Q.
Is the check result normal?
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 -
How
to Cope with Intermittent Malfunction).
|
|
|
|
Replace ETACS-ECU. Then go to Step 8.
|
|
|
|
Perform the actuator test below to function-check the emergency braking signal system
(Refer to ).
|
|
- Item No. 10: ESS test mode
|
|
Q.
Is the check result normal?
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 -
How
to Cope with Intermittent Malfunction).
|
|
|
|
Replace the hydraulic unit (integrated with ABS-ECU). Then go to Step 9.
|
|
|
|
Perform the actuator test below to function-check the emergency braking signal system
(Refer to ).
|
|
- Item No. 10: ESS test mode
|
|
Q.
Is the check result normal?
|
|
This diagnosis is complete.
|
|
|