A Check whether the front fog lights illuminate Result

Condition

Proceed to

Neither left nor right fog light illuminates

A

Either left or right fog light illuminates

Go to step 7

INSPECT FUSE (FR FOG)

Remove the FR FOG fuse from the main body ECU. Measure the resistance. Standard resistance:

Below 1 n Reinstall the FR FOG fuse.

REPLACE FUSE

INSPECT FRONT FOG LIGHT RELAY

(a) Remove the front fog light relay.

(b) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

3 - 5

10 kQ or higher

3 - 5

Below 1 Q (When battery voltage applied to terminals 1 and 2)

(c) Reinstall the front fog light relay.

REPLACE FRONT FOG LIGHT RELAY

REPLACE FRONT FOG LIGHT RELAY

CHECK HARNESS AND CONNECTOR (FUSE - FRONT FOG LIGHT RELAY)

(a) Remove the front fog light relay.

(b) Measure the voltage. Standard voltage

Tester Connection

Condition

Specified Condition

2 - Body ground

Always

11 to 14 V

5 - Body ground

Always

11 to 14 V

(c) Reinstall the front fog light relay.

REPAIR OR REPLACE HARNESS OR CONNECTOR

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Responses

  • ren
    Where are the fog lights on a yaris?
    8 years ago

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