DESCRIPTION
When an incorrect ECM or brake actuator assembly (skid control ECU) is installed after the assist map has been recorded in the power steering ECU, then DTC C1582 is stored because the data does not match the vehicle specifications.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1582 |
Assist map mismatch |
|
PROCEDURE
1. |
CHECK FOR DTC (CAN COMMUNICATION SYSTEM) |
(a) Using the Techstream, check for DTCs and confirm that there are no problems
in the CAN communication system (See page ).
OK:
DTC is not output.
NG | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
2. |
CHECK ECM |
(a) Check if an ECM that complies with the vehicle specifications is installed.
OK:
ECM that complies with vehicle specifications is installed.
Result
Result |
Proceed to |
---|---|
OK |
A |
NG (for 2GR-FE) |
B |
NG (for 1AR-FE) |
C |
B | ![]() |
REPLACE ECM |
C | ![]() |
REPLACE ECM |
|
3. |
CHECK BRAKE ACTUATOR ASSEMBLY |
(a) Check if a brake actuator assembly (skid control ECU) that complies with the vehicle specifications is installed.
OK:
Brake actuator assembly (skid control ECU) that complies with vehicle specifications is installed.
OK | ![]() |
REPLACE POWER STEERING ECU |
NG | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of the problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL FRONT DOOR BELT MOULDING
(a) Engage the 5 claws to install the front door belt moulding.
(b) Install the clip.
2. INSTALL FRONT DOOR GLASS RUN
3. INSTALL FRONT ...
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the terminal is reconnected:
System Name
...