Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001GUQD
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [01/2019 -           ]
Title: WIPER / WASHER: WIPER SWITCH: INSPECTION; 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]

INSPECTION

PROCEDURE

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

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

*A

for Type A

*B

for Type B

*a

Component without harness connected

(Windshield Wiper Switch Assembly)

-

-

Standard Resistance:

Front Wiper Switch

Tester Connection

Condition

Specified Condition

14 (MIST) - 5 (E)

MIST position

Below 1 Ω

Except MIST position

10 kΩ or higher

10 (W_OFF) - 5 (E)

OFF position

Below 1 Ω

Except OFF position

10 kΩ or higher

13 (+S) - 5 (E)

INT position

Below 1 Ω

Except INT position

10 kΩ or higher

11 (+1) - 5 (E)

LO position

Below 1 Ω

Except LO position

10 kΩ or higher

12 (+2) - 5 (E)

HI position

Below 1 Ω

Except HI position

10 kΩ or higher

Front Washer Switch

Tester Connection

Condition

Specified Condition

15 (WF) - 5 (E)

ON position

Below 1 Ω

OFF position

10 kΩ or higher

Rear Wiper Switch*1

Tester Connection

Condition

Specified Condition

7 (C1R) - 5 (E)

OFF position

10 kΩ or higher

6 (+1R) - 5 (E)

7 (C1R) - 5 (E)

INT position

Below 1 Ω

6 (+1R) - 5 (E)

ON position

Rear Washer Switch*1

Tester Connection

Condition

Specified Condition

9 (WR) - 5 (E)

ON position

Below 1 Ω

OFF position

10 kΩ or higher

Intermittent Time Adjustment Switch

Tester Connection

Condition

Specified Condition

4 (VR) - 5 (E)

P1 position

1102 to 1218 Ω

P2 position

570 to 630 Ω

P3 position

256.5 to 283.5 Ω

P4 position

Below 1 Ω

*1: w/ Rear Wiper

If the result is not as specified, replace the windshield wiper switch assembly.