Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HBH4
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 -           ]
Title: 2ZR-FXE (COOLING): RELAY: ON-VEHICLE INSPECTION; 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT FAN NO. 1 RELAY

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Auxiliary battery voltage not applied between terminals 1 and 2

10 kΩ or higher

3 - 5

Auxiliary battery voltage applied between terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the FAN NO. 1 relay.

2. INSPECT FAN NO. 2 RELAY

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 4

Auxiliary battery voltage not applied between terminals 1 and 2

Below 1 Ω

3 - 4

Auxiliary battery voltage applied between terminals 1 and 2

10 kΩ or higher

3 - 5

Auxiliary battery voltage not applied between terminals 1 and 2

10 kΩ or higher

3 - 5

Auxiliary battery voltage applied between terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the FAN NO. 2 relay.

3. INSPECT FAN NO. 3 RELAY

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Auxiliary battery voltage not applied between terminals 1 and 2

10 kΩ or higher

3 - 5

Auxiliary battery voltage applied between terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the FAN NO. 3 relay.