| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001GTRJ |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [01/2019 - ] |
| Title: LIGHTING (EXT): SWITCH HOUSING: INSPECTION; 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - ] | ||
INSPECTION
PROCEDURE
1. INSPECT STEERING WHEEL SWITCH HOUSING
|
*a |
Component without harness connected (Steering Wheel Switch Housing) |
- |
- |
(a) Resistance Check
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Light Switch Circuit
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
*1: w/ Light Control Switch OFF Position
*2: w/ Light Control Switch DRL OFF Position *3: w/ Front Fog Light |
||
|
z19-2 (L_OFF) - z17-2 (L_OFF)*1 |
Always |
Below 1 Ω |
|
z19-2 (L_OFF) - z17-2 (L_OFF)*2 |
Always |
Below 1 Ω |
|
z19-14 (T) - z17-3 (T) |
Always |
Below 1 Ω |
|
z19-5 (H) - z17-4 (H) |
Always |
Below 1 Ω |
|
z19-10 (A) - z17-5 (A) |
Always |
Below 1 Ω |
|
z19-1 (HU) - z17-6 (HU) |
Always |
Below 1 Ω |
|
z19-6 (HF) - z17-7 (HF) |
Always |
Below 1 Ω |
|
z19-9 (TR) - z17-8 (TR) |
Always |
Below 1 Ω |
|
z19-3 (TL) - z17-9 (TL) |
Always |
Below 1 Ω |
|
z19-11 (CR) - z17-10 (CR) |
Always |
Below 1 Ω |
|
z19-4 (BFG) - z17-11 (BFG)*3 |
Always |
Below 1 Ω |
|
z19-12 (EL) - z17-13 (EL) |
Always |
Below 1 Ω |
Wiper Switch Circuit
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
| *1: w/ Rear wiper | ||
|
z18-10 (W_OFF) - z17-24 (W_OFF) |
Always |
Below 1 Ω |
|
z18-13 (+S) - z17-25 (+S) |
Always |
Below 1 Ω |
|
z18-11 (+1) - z17-26 (+1) |
Always |
Below 1 Ω |
|
z18-12 (+2) - z17-27 (+2) |
Always |
Below 1 Ω |
|
z18-14 (MIST) - z17-28 (MIST) |
Always |
Below 1 Ω |
|
z18-7 (C1R) - z17-29 (C1R)*1 |
Always |
Below 1 Ω |
|
z18-6 (+1R) - z17-30 (+1R)*1 |
Always |
Below 1 Ω |
|
z18-15 (WF) - z17-31 (WF) |
Always |
Below 1 Ω |
|
z18-9 (WR) - z17-32 (WR) |
Always |
Below 1 Ω |
|
z18-5 (E) - z17-33 (E) |
Always |
Below 1 Ω |
|
z18-4 (VR) - z17-34 (VR) |
Always |
Below 1 Ω |
If the result is not as specified, replace the steering wheel switch housing.
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