Relay On-Vehicle Inspection

Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200

3Ur-Fe Engine Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

INSPECT INTEGRATION RELAY (IG2)
INSPECT INTEGRATION RELAY (EFI)
INSPECT EFI NO. 2 RELAY
INSPECT INTEGRATION RELAY (A/F)
INSPECT MAIN BODY ECU (IG1 NO. 1)
INSPECT STARTER RELAY (ST)
INSPECT STARTER CUT RELAY (ST CUT)
INSPECT MAIN BODY ECU (ACC RELAY)

Relay -- On-Vehicle Inspection

1. INSPECT INTEGRATION RELAY (IG2)

Measure the resistance of the IG2 MAIN fuse.
1. Remove the IG2 MAIN fuse from the integration relay.
2. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  IG2 MAIN fuse
  Always
  Below 1 Ω
  If the result is not as specified, replace the IG2 MAIN fuse.
3. Install the IG2 MAIN fuse to the integration relay.

Land Cruiser. Urj200, 202 Grj200 Vdj200.3Ur-Fe Engine Control.Sfi System.Relay On-Vehicle Inspection

Measure the resistance of the ignition relay No. 2 (IG2) circuit.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  1C-1 - 1B-8
  Battery voltage is not applied to terminals 1B-6 and 1B-7
  10 kΩ or higher
  Battery voltage is applied to terminals 1B-6 and 1B-7
  Below 1 Ω
  Text in Illustration
  *a
  Component without harness connected
  (Integration Relay)
  If the result is not as specified, replace the integration relay.

2. INSPECT INTEGRATION RELAY (EFI)

Measure the resistance of the EFI MAIN fuse.
1. Remove the EFI MAIN fuse from the integration relay
2. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  EFI MAIN fuse
  Always
  Below 1 Ω
  If the result is not as specified, replace the EFI MAIN fuse.
3. Install the EFI MAIN fuse to the integration relay.

Land Cruiser. Urj200, 202 Grj200 Vdj200.3Ur-Fe Engine Control.Sfi System.Relay On-Vehicle Inspection

Measure the resistance of the EFI relay circuit.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  1C-1 - 1B-4
  Battery voltage is not applied to terminals 1B-2 and 1B-3
  10 kΩ or higher
  Battery voltage is applied to terminals 1B-2 and 1B-3
  Below 1 Ω
  Text in Illustration
  *a
  Component without harness connected
  (Integration Relay)
  If the result is not as specified, replace the integration relay.

3. INSPECT EFI NO. 2 RELAY

Land Cruiser. Urj200, 202 Grj200 Vdj200.3Ur-Fe Engine Control.Sfi System.Relay On-Vehicle Inspection

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
3 - 5
Battery voltage is not applied to terminals 1 and 2
10 kΩ or higher
Battery voltage is applied to terminals 1 and 2
Below 1 Ω
If the result is not as specified, replace the relay.

4. INSPECT INTEGRATION RELAY (A/F)

Measure the resistance of the A/F fuse.
1. Remove the A/F fuse from the integration relay.
2. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  A/F fuse
  Always
  Below 1 Ω
  If the result is not as specified, replace the A/F fuse.
3. Install the A/F fuse to the integration relay.

Land Cruiser. Urj200, 202 Grj200 Vdj200.3Ur-Fe Engine Control.Sfi System.Relay On-Vehicle Inspection

Measure the resistance of the A/F sensor heater relay circuit.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  1C-1 - 1A-4
  Battery voltage is not applied to terminals 1A-2 and 1A-3
  10 kΩ or higher
  Battery voltage is applied to terminals 1 A-2 and 1A-3
  Below 1 Ω
  Text in Illustration
  *a
  Component without harness connected
  (Integration Relay)
  If the result is not as specified, replace the integration relay.

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

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

Text in Illustration
*a
Component without harness connected
(Main Body ECU)
-
-
Standard Resistance:
Tester Connection
Condition
Specified Condition
2A-1 - 2B-17
Battery voltage is not applied to terminals 2B-5 and 2D-43
10 kΩ or higher
Battery voltage is applied to terminals 2B-5 and 2D-43
Below 1 Ω
If the result is not as specified, replace the main body ECU.

6. INSPECT STARTER RELAY (ST)

Land Cruiser. Urj200, 202 Grj200 Vdj200.3Ur-Fe Engine Control.Sfi System.Relay On-Vehicle Inspection

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
3 - 5
Battery voltage not applied to terminals 1 and 2
10 kΩ or higher
Battery voltage applied to terminals 1 and 2
Below 1 Ω
If the result is not as specified, replace the starter relay.

7. INSPECT STARTER CUT RELAY (ST CUT)

Land Cruiser. Urj200, 202 Grj200 Vdj200.3Ur-Fe Engine Control.Sfi System.Relay On-Vehicle Inspection

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
3 - 5
Battery voltage not applied to terminals 1 and 2
10 kΩ or higher
Battery voltage applied to terminals 1 and 2
Below 1 Ω
If the result is not as specified, replace the starter relay.

8. INSPECT MAIN BODY ECU (ACC RELAY)

Land Cruiser. Urj200, 202 Grj200 Vdj200.3Ur-Fe Engine Control.Sfi System.Relay On-Vehicle Inspection

Text in Illustration
*a	Component without harness connected (Main Body ECU)	-	-

Measure the resistance of the ACC relay circuit.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  2A-1 - 2D-8
  Battery voltage not applied between 2D-45 and 2D-62
  10 kΩ or higher
  Battery voltage applied between 2D-45 and 2D-62
  Below 1 Ω
  If the result is not as specified, replace the main body ECU.