Relay On-Vehicle Inspection

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

1Gr-Fe Engine Control. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

INSPECT NO. 1 INTEGRATION RELAY (C/OPN)
INSPECT NO. 1 INTEGRATION RELAY (MAIN)
INSPECT AIR FUEL RATIO SENSOR HEATER RELAY (A/F)
INSPECT FUEL PUMP RELAY (F/PMP)

Relay -- On-Vehicle Inspection

1. INSPECT NO. 1 INTEGRATION RELAY (C/OPN)

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-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
1J-5 - 1J-8
Battery voltage not applied to terminals 1J-6 and 1J-7
10 kΩ or higher
Battery voltage applied to terminals 1J-6 and 1J-7
Below 1 Ω
Text in Illustration
*a
Component without harness connected
(Integration Relay)
If the result is not as specified, replace the No. 1 integration relay.

2. INSPECT NO. 1 INTEGRATION RELAY (MAIN)

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

Check the MAIN relay.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  1J-1 - 1J-4
  Battery voltage not applied to terminals 1J-2 and 1J-3
  10 kΩ or higher
  Battery voltage applied to terminals 1J-2 and 1J-3
  Below 1 Ω
  Text in Illustration
  *a
  Component without harness connected
  (Integration Relay)
  If the result is not as specified, replace the No. 1 integration relay.

3. INSPECT AIR FUEL RATIO SENSOR HEATER RELAY (A/F)

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-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 air fuel ratio sensor heater relay.

4. INSPECT FUEL PUMP RELAY (F/PMP)

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-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 - 4	Battery voltage is not applied to terminals 1 and 2	Below 1 Ω
3 - 4	Battery voltage is applied to terminals 1 and 2	10 kΩ or higher
3 - 5	Battery voltage is not applied to terminals 1 and 2	10 kΩ or higher
3 - 5	Battery voltage is applied to terminals 1 and 2	Below 1 Ω

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