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Using M.U.T.-III, perform CAN bus diagnosis (Refer to GROUP 54C - Explanation
About The M.U.T-III Can Bus Diagnostics ).
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Q.
Is the check result satisfactory?
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Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting, Can Bus
Diagnostic Table ). Then go to Step 11.
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Using M.U.T.-III, perform diesel fuel system diagnosis code (Refer to GROUP 13A - Troubleshooting,
Diagnosis Function ).
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Q.
Is any diagnosis code set?
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Repair the diesel fuel system (Refer to GROUP 13A - Troubleshooting, Inspection
Chart for Diagnosis Code ). Then go to Step 11.
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Using M.U.T.-III, perform A/T system diagnosis code (Refer to GROUP 23A - Troubleshooting,
Diagnosis Function ).
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Q.
Is any diagnosis code set?
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Repair the A/T system (Refer to GROUP 23A - Troubleshooting, Diagnosis
Code Chart ). Then go to Step 11.
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Using M.U.T.-III, perform ASTC system diagnosis code (Refer to GROUP 35C - Troubleshooting,
Diagnosis Function ).
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Q.
Is any diagnosis code set?
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Repair the ASTC system (Refer to GROUP 35C - Troubleshooting, Diagnosis
Code Chart ). Then go to Step 11.
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(1)Use the M.U.T.-III, erase the diagnosis code of the cruise control system (Refer
to ).
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(2)Turn the ignition switch to the "ON" position, and push the "ON/OFF" switch
to turn the cruise control system to ON (turn on the cruise control indicator lamp).
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(3)After turning the cruise control system to ON, when 2 minutes or more has elapsed
without operating the cruise control switches.
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(4)With the cruise control switches not operated, depress the brake pedal for several
seconds, and then use the M.U.T.-III to read the diagnosis code of the cruise control system
(Refer to ).
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Q.
Is any diagnosis code set?
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Repair the cruise control system (Refer to - Diagnosis
Code Chart). Then go to Step 11.
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Using M.U.T.-III, check the data list (Refer to - data
list reference table).
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- Item 136: "ON/OFF" switch
- Item 137: "CANCEL" switch
- Item 138: "COAST/SET" switch
- Item 139: "ACC/RES" switch
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Q.
Is the check result normal?
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Check the cruise control switch system (Refer to - Diagnosis
Code Procedures, Code No.P1564: Abnormal voltage at cruise control switch). Then go to Step 11
.
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Using M.U.T.-III, check the data list (Refer to - data
list reference table).
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- Item 134: Brake switch
- Item 135: Stop lamp switch
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Q.
Is the check result normal?
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Check the stop lamp switch system (Refer to - Diagnosis
Code Procedures, Code No.P1571: Malfunction of the stop lamp switch system). Then go to Step
11 .
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Using M.U.T.-III, check the data list (Refer to - data
list reference table).
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Q.
Is the check result normal?
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Check the clutch switch system (Refer to - Symptom
Procedures, Inspection Procedure 2). Then go to Step 11.
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Using M.U.T.-III, check the data list (Refer to - data
list reference table).
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- Item 42: Inhibitor switch
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Q.
Is the check result normal?
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Check the inhibitor switch system [Refer to GROUP 23A - Troubleshooting,
Diagnosis Code Procedures Code No.P1770: Inhibitor switch system (Open Circuit) ,
Code No.P1771: Inhibitor switch system (Short Circuit) ] <4A/T> or [Refer
to GROUP 23A - Troubleshooting, Diagnosis Code Procedures Code No.P1770: Inhibitor
switch system (Open Circuit) , Code No.P1771: Inhibitor switch
system (Short Circuit) ] <5A/T>.
Then go to Step 11.
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Q.
Can cruise control be set?
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It can be assumed that this malfunction is intermittent (Refer to GROUP 00 - How
to Use Troubleshooting/Inspection Service Points, How to Cope with Intermittent Malfunctions ).
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Replace the engine-ECU (Refer to GROUP 13A - Engine-ECU ).
Then go to Step 11.
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Q.
Can cruise control be set?
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The procedure is complete.
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