Relay (For Sedan) On-Vehicle Inspection

Vehicle Exterior. Yaris. Ncp93, 131
Window Glass. Yaris. Ncp93, 131

  1. INSPECT MAIN BODY ECU (DEFOGGER RELAY)

Relay (For Sedan) -- On-Vehicle Inspection



1. INSPECT MAIN BODY ECU (DEFOGGER RELAY)


Yaris. Ncp93, 131.Window Glass.Power Window Control System (For Sedan).Relay (For Sedan) On-Vehicle Inspection

  1. Remove the DEF fuse.

  1. Using an ohmmeter, measure the resistance between the terminals of the DEF fuse.

    Standard Resistance:
    Below 1 Ω

  1. Install the DEF fuse.

  1. Using an ohmmeter, measure the resistance between terminals 4Q-12 and 4Q-4 of the main body ECU connector.

    Standard Resistance:
    Below 1 Ω

  1. Turn the ignition switch ON.

  1. Turn the defogger switch ON.

  1. Using a voltmeter, measure the voltage between terminal 4F-2 of the main body ECU connector and body ground.

    Standard Voltage:
    10 to 14 V