RM35X0E _55 Steering _078944 POWER ASSIST SYSTEMS _0382923 POWER STEERING SYSTEM(w/ Variable Flow Control Solenoid Valve) Y

POWER ASSIST SYSTEMS POWER STEERING SYSTEM(w/ Variable Flow Control Solenoid Valve) HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:: ·

Use these procedures to troubleshoot the power steering system.

·

*: Use the GTS.

PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP

Result:

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2.CUSTOMER PROBLEM ANALYSIS

Interview the customer and confirm the problem.

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_V1,_078841,_0386803,RM100000001GTWY,

Result:

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3.CHECK DTC AND FREEZE FRAME DATA*

Check and record DTCs and Freeze Frame Data.

for DTC Check / Clear: Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>DTC CHECK / CLEAR201902,999999,_55,_078944,_0382923,RM100000001G7TS,

for Freeze Frame Data: Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>FREEZE FRAME DATA201902,999999,_55,_078944,_0382923,RM100000001G7TT,

Chassis > PPS > Trouble Codes: 50001 405

Clear the DTCs and Freeze Frame Data.

for DTC Check / Clear: Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>DTC CHECK / CLEAR201902,999999,_55,_078944,_0382923,RM100000001G7TS,

Chassis > PPS > Clear DTCs: 50002 405

Reconfirm the DTCs.

Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.

for DTC Check / Clear: Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>DTC CHECK / CLEAR201902,999999,_55,_078944,_0382923,RM100000001G7TS,

for Freeze Frame Data: Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>FREEZE FRAME DATA201902,999999,_55,_078944,_0382923,RM100000001G7TT,

Chassis > PPS > Trouble Codes: 50001 405

HINT:: ·

When CAN communication system DTCs are output, repair the CAN communication system first.

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING201906,202310,_57,_078518,_0381088,RM100000001WPQJ,202310,999999,_57,_078518,_0381088,RM100000002G45P,

·

If the GTS cannot communicate with the power steering ECU assembly, inspect the CAN communication system.

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING201906,202310,_57,_078518,_0381088,RM100000001WPQJ,202310,999999,_57,_078518,_0381088,RM100000002G45P,

Result:

Result	Proceed to
DTCs are not output. (Problem symptom occurs.)	A
DTCs are output.	B
DTCs are not output. (Problem symptom does not occur.)	C

4.PROBLEM SYMPTOM CONFIRMATION

10.REPAIR CIRCUIT INDICATED BY OUTPUT DTC*

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_V1,_078841,_0386803,RM100000001GTWY,

4.PROBLEM SYMPTOM CONFIRMATION

Check if the problem symptoms are listed in the problem symptoms table.

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>PROBLEM SYMPTOMS TABLE202107,202208,_55,_078944,_0382923,RM100000001WWKP,202208,999999,_55,_078944,_0382923,RM1000000024HPO,

Result:

Result	Proceed to
The problem symptoms are not listed in the problem symptoms table.	A
The problem symptoms are listed in the problem symptoms table.	B

5.PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM*

9.REPAIR PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM*

5.PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM*

DATA LIST / ACTIVE TEST

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>DATA LIST / ACTIVE TEST201902,999999,_55,_078944,_0382923,RM100000001G7TV,

ON-VEHICLE INSPECTION

Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP (for 1GD-FTV(w/ Variable Flow Control Solenoid Valve))>ON-VEHICLE INSPECTION201902,999999,_55,_078944,_0388797,RM100000001HNAI,

TERMINALS OF ECU

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>TERMINALS OF ECU201902,999999,_55,_078944,_0382923,RM100000001G7TQ,

Result:

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6.REPAIR OR REPLACEMENT

CAUTION:: Refer to the precautions before performing adjustment, repair or replacement.; Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>PRECAUTION201902,999999,_55,_078944,_0382923,RM100000001G7TK,

Result:

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7.RECONFIRM DTC*

Clear the DTCs.

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>DTC CHECK / CLEAR201902,999999,_55,_078944,_0382923,RM100000001G7TS,

Chassis > PPS > Clear DTCs: 50002 405

Turn the ignition switch off.

Turn the ignition switch to ON.

Check if the same DTCs are output.

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>DTC CHECK / CLEAR201902,999999,_55,_078944,_0382923,RM100000001G7TS,

Chassis > PPS > Trouble Codes: 50001 405

Result:

Result	Proceed to
DTCs are not output.	A
DTCs are output.	B

8.CONFIRMATION TEST*

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>DIAGNOSTIC TROUBLE CODE CHART202107,999999,_55,_078944,_0382923,RM100000001WWKQ,

8.CONFIRMATION TEST*

Result:

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END

9.REPAIR PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM*

Confirm the problem symptoms table and perform troubleshooting.

Result:

Proceed to
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7.RECONFIRM DTC*

10.REPAIR CIRCUIT INDICATED BY OUTPUT DTC*

Confirm the diagnostic trouble code chart and perform troubleshooting.

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>DIAGNOSTIC TROUBLE CODE CHART202107,999999,_55,_078944,_0382923,RM100000001WWKQ,

Result:

Proceed to
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7.RECONFIRM DTC*