1Vd-Ftv Engine Control. Relay On-Vehicle Inspection

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

1Vd-Ftv Engine Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

INSPECT FUEL PUMP RELAY (SUB PUMP)
INSPECT EDU RELAY (EDU1)
INSTALL EDU RELAY (EDU2)
INSPECT NO. 1 IGNITION RELAY (IG1)
INSPECT INTEGRATION RELAY (A/F RELAY) (w/ DPF)
INSPECT INTEGRATION RELAY (IG2 MAIN RELAY)
INSPECT INTEGRATION RELAY (EFI MAIN NO.1 RELAY)
INSPECT INTEGRATION RELAY (EFI MAIN NO. 2 RELAY)
INSPECT MAIN BODY ECU (IG1 NO. 1)
INSPECT STARTER RELAY (ST)
INSPECT NO. 1 GLOW RELAY (GLOW NO. 1)
INSPECT NO. 2 GLOW RELAY (GLOW NO. 2)
INSPECT MAIN BODY ECU (ACC RELAY)

Relay -- On-Vehicle Inspection

1. INSPECT FUEL PUMP RELAY (SUB PUMP)

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 fuel pump relay.

2. INSPECT EDU RELAY (EDU1)

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 between 1 and 2
10 kΩ or higher
Battery voltage is applied between 1 and 2
Below 1 Ω
If the result is not as specified, replace the EDU relay.

3. INSTALL EDU RELAY (EDU2)

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 between 1 and 2
10 kΩ or higher
Battery voltage is applied between 1 and 2
Below 1 Ω
If the result is not as specified, replace the EDU relay.

4. INSPECT NO. 1 IGNITION RELAY (IG1)

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 No. 1 ignition relay.

5. INSPECT INTEGRATION RELAY (A/F RELAY) (w/ DPF)

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

Measure the resistance of the ignition relay air fuel ratio sensor relay circuit.

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

Standard Resistance:

Item	Tester Connection	Condition	Specified Condition
for LHD	1Y-1 - 1S-3	Battery voltage is not applied to terminals 1S-1 and 1S-4	10 kΩ or higher
for LHD	1Y-1 - 1S-3	Battery voltage is applied to terminals 1S-1 and 1S-4	Below 1 Ω
for RHD	1X-1 - 1S-3	Battery voltage is not applied to terminals 1S-1 and 1S-4	10 kΩ or higher
for RHD	1X-1 - 1S-3	Battery voltage is applied to terminals 1S-1 and 1S-4	Below 1 Ω

Text in Illustration
*A	for LHD	*B	for RHD
*a	Component without harness connected (Integration Relay)	-	-

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

6. INSPECT INTEGRATION RELAY (IG2 MAIN RELAY)

Measure the resistance of the IG2 MAIN fuse.
1. 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.

Measure the resistance of the IG2 MAIN relay circuit.

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

Standard Resistance:

Item	Tester Connection	Condition	Specified Condition
for LHD	1Y-1 - 1R-1	Battery voltage is not applied to terminals 1R-2 and 1S-4	10 kΩ or higher
for LHD	1Y-1 - 1R-1	Battery voltage is applied to terminals 1R-2 and 1S-4	Below 1 Ω
for RHD	1X-1 - 1R-1	Battery voltage is not applied to terminals 1R-2 and 1S-4	10 kΩ or higher
for RHD	1X-1 - 1R-1	Battery voltage is applied to terminals 1R-2 and 1S-4	Below 1 Ω

Text in Illustration
*A	for LHD	*B	for RHD
*a	Component without harness connected (Integration Relay)	-	-

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

7. INSPECT INTEGRATION RELAY (EFI MAIN NO.1 RELAY)

Measure the resistance of the EFI MAIN NO. 1 fuse and EFI NO. 2 fuse.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  EFI MAIN NO. 1 fuse
  Always
  Below 1 Ω
  EFI NO. 2 fuse
  Always
  Below 1 Ω
  If the result is not as specified, replace the EFI MAIN NO. 1 fuse and/or EFI NO. 2 fuse.

Measure the resistance of the EFI MAIN No. 1 relay circuit.

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

Standard Resistance:

Item	Tester Connection	Condition	Specified Condition
for LHD	1Y-1 - 1S-1	Battery voltage is not applied to terminals 1S-8 and 1S-4	10 kΩ or higher
for LHD	1Y-1 - 1S-1	Battery voltage is applied to terminals 1S-8 and 1S-4	Below 1 Ω
for RHD	1X-1 - 1S-1	Battery voltage is not applied to terminals 1S-8 and 1S-4	10 kΩ or higher
for RHD	1X-1 - 1S-1	Battery voltage is applied to terminals 1S-8 and 1S-4	Below 1 Ω

Text in Illustration
*A	for LHD	*B	for RHD
*a	Component without harness connected (Integration Relay)	-	-

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

8. INSPECT INTEGRATION RELAY (EFI MAIN NO. 2 RELAY)

Measure the resistance of the EFI MAIN NO. 2 fuse.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  EFI MAIN NO. 2 fuse
  Always
  Below 1 Ω
  If the result is not as specified, replace the EFI MAIN NO. 2 fuse.

Measure the resistance of the EFI MAIN No. 2 relay circuit.

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

Standard Resistance:

Item	Tester Connection	Condition	Specified Condition
for LHD	1Y-1 - 1P-12	Battery voltage is not applied to terminals 1P-8 and 1P-11	10 kΩ or higher
for LHD	1Y-1 - 1P-12	Battery voltage is applied to terminals 1P-8 and 1P-11	Below 1 Ω
for RHD	1X-1 - 1P-12	Battery voltage is not applied to terminals 1P-8 and 1P-11	10 kΩ or higher
for RHD	1X-1 - 1P-12	Battery voltage is applied to terminals 1P-8 and 1P-11	Below 1 Ω

Text in Illustration
*A	for LHD	*B	for RHD
*a	Component without harness connected (Integration Relay)	-	-

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

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

Measure the resistance of the ECU-IG NO. 2 fuse.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  ECU-IG NO. 2 fuse
  Always
  Below 1 Ω
  If the result is not as specified, replace the ECU IG NO. 2 fuse.

Measure the resistance of the IG1 No. 1 relay circuit.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  2G-1 - 2H-24
  Battery voltage not applied between 2I-18 and 2J-1
  10 kΩ or higher
  Battery voltage applied between 2I-18 and 2J-1
  Below 1 Ω
  
  Text in Illustration
  *a
  Component without harness connected
  Main Body ECU (Cowl Side Junction Block LH)
  -
  -
  If the result is not as specified, replace the main body ECU.

Text in Illustration
*a	Component without harness connected Main Body ECU (Cowl Side Junction Block LH)	-	-

10. INSPECT STARTER RELAY (ST)

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 relay.

11. INSPECT NO. 1 GLOW RELAY (GLOW NO. 1)

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 relay.

12. INSPECT NO. 2 GLOW RELAY (GLOW NO. 2)

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.

13. INSPECT MAIN BODY ECU (ACC RELAY)

HINT:

Before performing the relay inspections for the relay of the main body ECU, inspect the ECU-ACC fuse.

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
  2G-1 - 2H-9
  Battery voltage not applied between 2J-18 and 2J-1
  10 kΩ or higher
  Battery voltage applied between 2J-18 and 2J-1
  Below 1 Ω
  
  Text in Illustration
  *a
  Component without harness connected
  Main Body ECU (Cowl Side Junction Block LH)
  -
  -
  If the result is not as specified, replace the main body ECU.