| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001GW9A |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [01/2019 - ] |
| Title: HEATING / AIR CONDITIONING: RELAY: ON-VEHICLE INSPECTION; 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - ] | ||
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT PTC HEATER NO. 1 RELAY
|
*a |
PTC Heater 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 applied between terminal 1 and 2 |
Below 1 Ω |
|
3 - 5 |
Auxiliary battery voltage not applied between terminal 1 and 2 |
10 kΩ or higher |
- If the result is not as specified, replace the PTC heater No. 1 relay.
2. INSPECT PTC HEATER NO. 2 RELAY
|
*a |
PTC Heater No. 2 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 applied between terminal 1 and 2 |
Below 1 Ω |
|
3 - 5 |
Battery voltage not applied between terminal 1 and 2 |
10 kΩ or higher |
If the result is not as specified, replace the PTC heater No. 2 relay.
3. INSPECT PTC HEATER NO. 3 RELAY
|
*a |
PTC Heater 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 |
Battery voltage applied between terminal 1 and 2 |
Below 1 Ω |
|
3 - 5 |
Battery voltage not applied between terminal 1 and 2 |
10 kΩ or higher |
If the result is not as specified, replace the PTC heater No. 3 relay.
|
|