Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001CZ8H
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 -           ]
Title: HORN: RELAY: ON-VEHICLE INSPECTION; 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT HORN RELAY

*a

Component without harness connected

(HORN Relay)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Battery voltage not applied between terminals 1 and 2

10 kΩ or higher

3 - 5

Battery voltage applied between terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the HORN relay.