RELAY ON-VEHICLE INSPECTION

INSPECT AIR PUMP HEATER RELAY (AI-PMP HTR)

INSPECT AIR INJECTION VSV RELAY (AI-VSV)

INSPECT NO. 1 INTEGRATION RELAY (IG2)

1. Measure the resistance of the IG2 MAIN fuse.

   
   

   1. Remove the IG2 MAIN fuse from the No. 1 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 No. 1 integration relay.

2. 

   Text in Illustration

   *a	Component without harness connected (No. 1 Integration Relay)

   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

      If the result is not as specified, replace the No. 1 integration relay.

INSPECT NO. 1 INTEGRATION RELAY (EFI)

1. Measure the resistance of the EFI MAIN fuse.

   
   

   1. Remove the EFI MAIN fuse from the No. 1 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 No. 1 integration relay.

2. 

   Text in Illustration

   *a	Component without harness connected (No. 1 Integration Relay)

   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

      If the result is not as specified, replace the No. 1 integration relay.

INSPECT EFI NO. 2 RELAY

INSPECT NO. 1 INTEGRATION RELAY (A/F)

1. Measure the resistance of the A/F fuse.

   
   

   1. Remove the A/F fuse from the No. 1 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 No. 1 integration relay.

2. 

   Text in Illustration

   *a	Component without harness connected (No. 1 Integration Relay)

   Measure the resistance of the air fuel ratio 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

      If the result is not as specified, replace the No. 1 integration relay.

INSPECT MAIN BODY ECU (IG1 NO. 1)