Brand:

Toyota

Model Name:

Yaris NCP90 91 92 93

Manual:

Repair Manual

Section:

1Nz-Fe Engine Control System

Title:

Integration Relay

  1. Inspect integration no.1 relay



1. INSPECT INTEGRATION NO.1 RELAY


Inspect EFI (20A) fuse.Disconnect the fuse. Using an ohmmeter, measure the resistance of the fuse.Standard resistance:Tester ConnectionSpecified condition1 - 2Below 1 Ω Yaris
  1. Inspect EFI (20A) fuse.

    1. Disconnect the fuse.

    2. Using an ohmmeter, measure the resistance of the fuse.

      Standard resistance:
      Tester Connection
      Specified condition
      1 - 2
      Below 1 Ω
  1. Inspect EFI relay.

    1. Using an ohmmeter, measure the resistance between the terminals.

      Standard resistance:

      Tester Connection
      Specified condition
      A1 - C1
      Below 1 Ω
      A1 - A4
      10 kΩ or higher
      A4 - C1
      10 kΩor higher
      A1 - A4
      Below 1 Ω
      (Apply battery voltage between terminals A2 and A3)
      A4 - C1
      Below 1 Ω
      (Apply battery voltage between terminals A2 and A3)
      NOTICE:
      While using the battery for the inspection, do not bring the positive and negative tester probes too close to each other as a short circuit may occur.