C1582
POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1582: Assist Map Number Mismatch
DTC C1582 - Assist Map Number Mismatch
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.
INSPECTION PROCEDURE
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 Diagnosis System.
OK:
DTC is not output.
NG -- GO TO CAN COMMUNICATION SYSTEM
OK -- Continue to next step.
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
C -- REPLACE ECM
B -- REPLACE ECM
A -- Continue to next step.
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.
NG -- REPLACE BRAKE ACTUATOR ASSEMBLY
OK -- REPLACE POWER STEERING ECU