| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM10000000257X6 |
| Model Year Start: 2023 | Model: RAV4 | Prod Date Range: [10/2022 - ] |
| Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Type A): HOW TO PROCEED WITH TROUBLESHOOTING; 2023 - 2024 MY RAV4 RAV4 HV [10/2022 - ] | ||
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HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the power steering system.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
INSPECT AUXILIARY BATTERY |
(a) Turn the ignition switch off.
(b) Measure the voltage of the auxiliary battery.
Standard voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
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3. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check DTCs and freeze frame data.
(1) Check and record DTCs.
Click here
![2019 - 2024 MY RAV4 RAV4 HV [02/2019 - ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Type A): DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
Chassis > EMPS > Trouble Codes
(2) Check and record freeze frame data.
Click here
(b) Clear the DTCs and freeze frame data.
Click here
Chassis > EMPS > Clear DTCs
(c) Recheck for DTCs.
Click here
Chassis > EMPS > Trouble Codes
(1) Reproduce the problem symptoms based on the recorded DTCs and freeze frame data, and then check if the DTCs are output again.
HINT:
- When DTCs indicating a CAN communication system malfunction are output, first troubleshoot and repair the CAN communication system.
- If the GTS cannot communicate with the rack and pinion power steering gear assembly, check CAN communication between the DLC3 and the rack and pinion power steering gear assembly, and also check the IG circuit of the rack and pinion power steering gear assembly.
(d) Check the vehicle control history.
Click here
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Result |
Proceed to |
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DTC is not output but problem symptoms can be reproduced and confirmed |
A |
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DTC is output |
B |
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DTC is not output and problem symptoms cannot be reproduced and confirmed |
C |
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DTC is not output and vehicle control history is output |
D |
| B |
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REFER TO DIAGNOSTIC TROUBLE CODE CHART, PERFORM TROUBLESHOOTING ACCORDING TO PROCEDURE FOR EACH DTC AND GO TO STEP 7 |
| C |
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| D |
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PERFORM TROUBLESHOOTING AND REPAIRS RELATED TO VEHICLE CONTROL HISTORY NOTICE: After performing troubleshooting and repairs related to the vehicle control history, clear the vehicle control history. |
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4. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
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Result |
Proceed to |
|---|---|
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Fault is not listed in Problem Symptoms Table. |
A |
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Fault is listed in Problem Symptoms Table. |
B |
| B |
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PERFORM TROUBLESHOOTING ACCORDING TO PROCEDURE FOR EACH CORRESPONDING SYMPTOM AND GO TO STEP 7 |
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5. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Refer to Terminals of ECU.
Click here
(b) Refer to Data List / Active Test.
Click here
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6. |
REPAIR OR REPLACE |
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7. |
CONFIRMATION TEST |
| NEXT |
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END |
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