Sfi System - How To Proceed With Troubleshooting

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - 1GR-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.
  • When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
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4.CHECK DTC AND FREEZE FRAME DATA*

Check for DTCs () and 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 DTCs and freeze frame data ().

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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.

  • HINT:
  • Refer to Check Mode Procedure ().
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8.CONFIRM PROBLEM SYMPTOMS

Confirm problem symptoms.

  • HINT:
Refer to Problem Symptoms Table ().
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
  • HINT:
  • Refer to Symptom Simulation ().
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10.CHECK DTC*

Check for DTCs.

  • HINT:
  • Refer to DTC Check / Clear ().
Result
ResultProceed to
Trouble code outputA
No trouble code outputB
B.
GO TO STEP 12
A
11.REFER TO DTC CHART
  • HINT:
  • Refer to Diagnostic Trouble Code Chart ().
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12.CONDUCT BASIC INSPECTION

Conduct basic inspection ().

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

Check the ECM power source circuit.

  • HINT:
  • 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

Check for intermittent problems.

  • HINT:
  • Refer to Check for Intermittent Problems ().
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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