| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001HD59 |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [02/2019 - 12/2021] |
| Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Type B): C1582; Assist Map Number Mismatch; 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021] | ||
|
DTC |
C1582 |
Assist Map Number Mismatch |
DESCRIPTION
for Gasoline Model:
- When an incorrect ECM, main body ECU (multiplex network body ECU) or skid control ECU (Brake actuator assembly) is installed after the assist map has been written to the power steering ECU (rack and pinion power steering gear assembly), DTC C1582 is stored because the information stored in the power steering ECU (rack and pinion power steering gear assembly) does not match the vehicle specifications.
for HV Model:
- When an incorrect hybrid vehicle control ECU assembly, main body ECU (multiplex network body ECU) or skid control ECU (brake booster with master cylinder assembly) is installed after the assist map has been written to the power steering ECU (rack and pinion power steering gear assembly), DTC C1582 is stored because the information stored in the power steering ECU (rack and pinion power steering gear assembly) does not match the vehicle specifications.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Warning Indicate |
Return-to-normal Condition |
Note |
|---|---|---|---|---|---|---|
|
C1582 |
Assist Map Number Mismatch |
Assist map number mismatch |
for Gasoline Model:
for HV Model:
|
EPS warning light: Does not come on |
Ignition switch is turned to ON again |
- |
CAUTION / NOTICE / HINT
NOTICE:
If the rack and pinion power steering gear assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
Click here
![2019 - 2024 MY RAV4 RAV4 HV [02/2019 - ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Type B): CALIBRATION](/t3Portal/stylegraphics/info.gif)
HINT:
Related parts store information necessary for assist map writing.
Related Part:
for Gasoline Model:
- ECM
- Main body ECU (Multiplex network body ECU)
- Skid control ECU (Brake actuator assembly)
for HV Model:
- Hybrid vehicle control ECU assembly
- Main body ECU (Multiplex network body ECU)
- Skid control ECU (Brake booster with master cylinder assembly)
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check for DTCs.
for Gasoline Model: Click here
for HV Model: Click here
|
Result |
Proceed to |
|---|---|
|
CAN communication system DTCs are not output. (for Gasoline Model) |
A |
|
CAN communication system DTCs are not output. (for HV Model) |
B |
|
CAN communication system DTCs are output. |
C |
| B |
|
| C |
|
GO TO CAN COMMUNICATION SYSTEM for Gasoline Model: Click here
for HV Model: Click here
|
|
|
2. |
CHECK RELATED PART |
(a) Check if the part below has been replaced with an incorrect part in the past.
|
Related Part |
ECM |
|
Main body ECU (Multiplex network body ECU) |
|
|
Skid control ECU (Brake actuator assembly) |
NOTICE:
When removing the related part to check it, be sure to follow the appropriate procedures and precautions.
-
ECM
Click here
-
Main body ECU (Multiplex network body ECU)
Click here
-
Skid control ECU (Brake actuator assembly)
Click here
(b) When DTC C1582 is output and parts have not been exchanged, replace the power steering ECU (rack and pinion power steering gear assembly) as it may have an internal malfunction.
NOTICE:
If the rack and pinion power steering gear assembly has been replaced, perform assist map writing.
Click here
|
Result |
Proceed to |
|---|---|
|
The related part has an incorrect part number. |
A |
|
The related part has the correct part number, or a related part and rack and pinion power steering gear assembly have not been replaced. |
B |
| B |
|
REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY
|
|
|
3. |
REPLACE RELATED PART WITH PART THAT HAS CORRECT PART NUMBER |
(a) Replace the related part with one that has the correct part number.
-
ECM
Click here
-
Main body ECU (Multiplex network body ECU)
Click here
-
Skid control ECU (Brake actuator assembly)
Click here
|
|
4. |
CHECK FOR DTC |
(a) Check for DTCs.
Chassis > EMPS > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output. |
A |
|
DTCs are output. |
B |
| A |
|
END |
| B |
|
REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY
|
|
5. |
CHECK RELATED PART |
(a) Check if the part below has been replaced with an incorrect part in the past.
|
Related Part |
Hybrid vehicle control ECU assembly |
|
Main body ECU (Multiplex network body ECU) |
|
|
Skid control ECU (Brake booster with master cylinder assembly) |
NOTICE:
When removing the related part to check it, be sure to follow the appropriate procedures and precautions.
-
Hybrid vehicle control ECU assembly
Click here
-
Main body ECU (Multiplex network body ECU)
Click here
-
Skid control ECU (Brake booster with master cylinder assembly)
Click here
(b) When DTC C1582 is output and parts have not been exchanged, replace the power steering ECU (rack and pinion power steering gear assembly) as it may have an internal malfunction.
NOTICE:
If the rack and pinion power steering gear assembly has been replaced, perform assist map writing.
Click here
|
Result |
Proceed to |
|---|---|
|
The related part has an incorrect part number. |
A |
|
The related part has the correct part number, or a related part and rack and pinion power steering gear assembly have not been replaced. |
B |
| B |
|
REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY
|
|
|
6. |
REPLACE RELATED PART WITH PART THAT HAS CORRECT PART NUMBER |
(a) Replace the related part with one that has the correct part number.
-
Hybrid vehicle control ECU assembly
Click here
-
Main body ECU (Multiplex network body ECU)
Click here
-
Skid control ECU (Brake booster with master cylinder assembly)
Click here
|
|
7. |
CHECK FOR DTC |
(a) Check for DTCs.
Chassis > EMPS > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output. |
A |
|
DTCs are output. |
B |
| A |
|
END |
| B |
|
REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY
|
|
|