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

RELAY - ON-VEHICLE INSPECTION

1. INSPECT AIR PUMP HEATER RELAY (AI-PMP HTR)
Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    3 - 5Battery voltage is not applied to terminals 1 and 210 kΩ or higher
    Battery voltage is applied to terminals 1 and 2Below 1 Ω

If the result is not as specified, replace the relay.


2. INSPECT AIR INJECTION VSV RELAY (AI-VSV)
Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    3 - 5Battery voltage is not applied to terminals 1 and 210 kΩ or higher
    Battery voltage is applied to terminals 1 and 2Below 1 Ω

If the result is not as specified, replace the relay.


3. INSPECT INTEGRATION RELAY (IG2)

Measure the resistance of the IG2 MAIN fuse.

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    IG2 MAIN fuseAlwaysBelow 1 Ω

If the result is not as specified, replace the IG2 MAIN fuse.


Measure the resistance of the ignition relay No. 2 (IG2) circuit.

Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    1C-1 - 1B-8Battery voltage is not applied to terminals 1B-6 and 1B-710 kΩ or higher
    Battery voltage is applied to terminals 1B-6 and 1B-7Below 1 Ω
Text in Illustration
*aComponent without harness connected
(Integration Relay)

If the result is not as specified, replace the integration relay.


4. INSPECT INTEGRATION RELAY (EFI)

Measure the resistance of the EFI MAIN fuse.

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    EFI MAIN fuseAlwaysBelow 1 Ω

If the result is not as specified, replace the EFI MAIN fuse.


Measure the resistance of the EFI relay circuit.

Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    1C-1 - 1B-4Battery voltage is not applied to terminals 1B-2 and 1B-310 kΩ or higher
    Battery voltage is applied to terminals 1B-2 and 1B-3Below 1 Ω
Text in Illustration
*aComponent without harness connected
(Integration Relay)

If the result is not as specified, replace the integration relay.


5. INSPECT EFI NO. 2 RELAY (EFI NO. 2)
Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionCondition Specified Condition
    3 - 5Battery voltage is not applied to terminals 1 and 210 kΩ or higher
    Battery voltage is applied to terminals 1 and 2Below 1 Ω

If the result is not as specified, replace the relay.


6. INSPECT INTEGRATION RELAY (A/F)

Measure the resistance of the A/F fuse.

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    A/F fuseAlwaysBelow 1 Ω

If the result is not as specified, replace the A/F fuse.


Measure the resistance of the A/F sensor heater relay circuit.

Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    1C-1 - 1A-4Battery voltage is not applied to terminals 1A-2 and 1A-310 kΩ or higher
    Battery voltage is applied to terminals 1 A-2 and 1A-3Below 1 Ω
Text in Illustration
*aComponent without harness connected
(Integration Relay)

If the result is not as specified, replace the integration relay.


7. INSPECT MAIN BODY ECU (IG1 NO. 1)

Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionCondition Specified Condition
    2A-1 - 2B-17Battery voltage is not applied to terminals 2B-5 and 2D-4310 kΩ or higher
    Battery voltage is applied to terminals 2B-5 and 2D-43Below 1 Ω
Text in Illustration
*aComponent without harness connected
(Main Body ECU)

If the result is not as specified, replace the cowl side junction block LH.


8. INSPECT STARTER RELAY (ST)

for GRJ200L-GNANKC:

Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    3 - 5Battery voltage not applied to terminals 1 and 210 kΩ or higher
    Battery voltage applied to terminals 1 and 2Below 1 Ω

If the result is not as specified, replace the starter relay.


except GRJ200L-GNANKC:

Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    3 - 5Battery voltage not applied to terminals 1 and 210 kΩ or higher
    Battery voltage applied to terminals 1 and 2Below 1 Ω

If the result is not as specified, replace the starter relay.


9. INSPECT STARTER CUT RELAY (ST CUT)
Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    3 - 5Battery voltage not applied to terminals 1 and 210 kΩ or higher
    Battery voltage applied to terminals 1 and 2Below 1 Ω

If the result is not as specified, replace the relay.


10. INSPECT MAIN BODY ECU (ACC RELAY)

Relay - On-Vehicle Inspection. 1GR-FE ENGINE CONTROL. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Measure the resistance of the ACC relay circuit.

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    2A-1 - 2D-8Battery voltage not applied between 2D-45 and 2D-6210 kΩ or higher
    Battery voltage applied between 2D-45 and 2D-62Below 1 Ω

If the result is not as specified, replace the main body ECU.