Sfi System - How To Proceed With Troubleshooting

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - 1UR-FE ENGINE CONTROL


SFI SYSTEM - HOW TO PROCEED WITH TROUBLESHOOTING

  • HINT:
  • *: Use the GTS.

1.VEHICLE BROUGHT TO WORKSHOP
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2.CUSTOMER PROBLEM ANALYSIS
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3.CONNECT GTS TO DLC3*
  • HINT:
  • If the display indicates a communication fault in the GTS, inspect the DLC3.
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4.CHECK DTC AND FREEZE FRAME DATA*

Check DTC ().

Check freeze frame data ().

  • HINT:
  • Record or print DTCs and freeze frame data, if necessary.
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5.CLEAR DTC AND FREEZE FRAME DATA*

Clear the DTC ().

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6.CONDUCT VISUAL INSPECTION
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7.SET CHECK MODE DIAGNOSIS*

Switch the ECM from normal mode to check mode ().

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8.CONFIRM PROBLEM SYMPTOMS

Refer to "Problem Symptoms Table" ().

  • HINT:
  • If the engine does not start, first perform the "Check DTC" procedures and "Conduct Basic Inspection" procedures below.
Result
ResultProceed to
Malfunction does not occurA
Malfunction occursB
B.
GO TO STEP 10
A
9.SIMULATE SYMPTOMS
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10.CHECK DTC*

Check DTC ().

Result
ResultProceed to
Trouble code outputA
No code outputB
B.
GO TO STEP 12
A
11.REFER TO DTC CHART

Refer to "Diagnostic Trouble Code Chart" ().

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GO TO STEP 14
12.CONDUCT BASIC INSPECTION

Refer to "Basic Inspection" ().

Result
ResultProceed to
Malfunctioning parts not confirmedA
Malfunctioning parts confirmedB
B.
GO TO STEP 17
A
13.REFER TO PROBLEM SYMPTOMS TABLE

Refer to "Problem Symptoms Table" ().

Result
ResultProceed to
Malfunctioning circuit confirmedA
Malfunctioning parts confirmedB
B.
GO TO STEP 17
A
14.CHECK ECM POWER SOURCE CIRCUIT

Refer to "ECM Power Source Circuit" ().

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15.CONDUCT CIRCUIT INSPECTION
Result
ResultProceed to
Malfunction not confirmedA
Malfunction confirmedB
B.
GO TO STEP 18
A
16.CHECK FOR INTERMITTENT PROBLEMS

Refer to "Check for Intermittent Problems" ().

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GO TO STEP 18
17.CONDUCT PARTS INSPECTION
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18.IDENTIFY PROBLEM
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19.ADJUST AND/OR REPAIR
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20.CONDUCT CONFIRMATION TEST
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END