Toyota Yaris: Switch Housing / Inspection
INSPECTION
PROCEDURE
1. INSPECT STEERING WHEEL SWITCH HOUSING
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
| *a | Component without harness connected (Steering Wheel Switch Housing) | - | - |
Standard Resistance:
Light Switch Circuit| Tester Connection | Condition | Specified Condition |
|---|---|---|
| z6-3 (T) - z4-3 (T) | Always | Below 1 Ω |
| z6-12 (H) - z4-4 (H) | Always | Below 1 Ω |
| z6-7 (A) - z4-5 (A) | Always | Below 1 Ω |
| z6-16 (HU) - z4-6 (HU) | Always | Below 1 Ω |
| z6-11 (HF) - z4-7 (HF) | Always | Below 1 Ω |
| z6-8 (TR) - z4-8 (TR) | Always | Below 1 Ω |
| z6-14 (TL) - z4-9 (TL) | Always | Below 1 Ω |
| z6-6 (CR) - z4-10 (CR) | Always | Below 1 Ω |
| z6-13 (BFG) - z4-11 (BFG) | Always | Below 1 Ω |
| z6-4 (B) - z4-12 (B) | Always | Below 1 Ω |
| z6-5 (EL) - z4-13 (EL) | Always | Below 1 Ω |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| z5-10 (W_OFF) - z4-24 (W_OFF) | Always | Below 1 Ω |
| z5-13 (+S) - z4-25 (+S) | Always | Below 1 Ω |
| z5-11 (+1) - z4-26 (+1) | Always | Below 1 Ω |
| z5-12 (+2) - z4-27 (+2) | Always | Below 1 Ω |
| z5-14 (MIST) - z4-28 (MIST) | Always | Below 1 Ω |
| z5-15 (WF) - z4-31 (WF) | Always | Below 1 Ω |
| z5-5 (E) - z4-33 (E) | Always | Below 1 Ω |
| z5-4 (VR) - z4-34 (VR) | Always | Below 1 Ω |
If the result is not as specified, replace the steering wheel switch housing.
Components
C..
Removal
REMOVAL CAUTION / NOTICE / HINT HINT: When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating...
Other information:
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: ACC Circuit Short to Ground (B227411)
DESCRIPTION This DTC is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit between terminal ACCD of the certification ECU (smart key ECU assembly) and the ACC relay. DTC No. Detection Item DTC Detection Condition Trouble Area Note B227411 ACC Circuit Short to Ground The ACC relay circuit of the certification ECU (smart key ECU assembly) is malfunctioning...
Toyota Yaris XP210 (2020-2025) Owner's Manual: Recommended Oil
Use SAE 0W-20 engine oil. Toyota Genuine Motor Oil is used in your Toyota vehicle. Toyota Genuine Motor Oil 0W-20 is required to achieve optimum fuel economy. For maintenance service, Toyota recommends Toyota Genuine Motor Oil or equivalent. Only use SAE 0W-20 oil “Certified For Gasoline Engines” by the American Petroleum Institute (API)...
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Break-In Period
No special break-in is necessary, but a few precautions in the first 600 miles (1,000 km) may add to the performance, economy, and life of the vehicle.
Do not race the engine. Do not maintain one constant speed, either slow or fast, for a long period of time. Do not drive constantly at full-throttle or high engine rpm for extended periods of time. Avoid unnecessary hard stops. Avoid full-throttle starts.