How to change lambda sensor on TOYOTA Yaris III Hatchback (XP13) – replacement guide
TOYOTA Yaris Hatchback (_P13_) 1.8 GRMN (NSP131_), TOYOTA Yaris Hatchback (_P13_) 1.5 (NCP131_), TOYOTA Yaris Hatchback (_P13_) 1.3 (NCP130_), TOYOTA Yaris Hatchback (_P13_) 1.3 (NSP130_), TOYOTA Yaris Hatchback (_P13_) 1.0 (KSP130_) … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
Lambda sensor
NOx sensor
Socket, lambda probe
Socket, lambda probe
Socket, lambda sensor
- After replacing the oxygen sensor, clear the trouble code from the electronic control unit and let the ECU adapt itself to the new sensor.
- All work should be done with the engine stopped.
- Please note: all work on the car – TOYOTA YARIS (NHP13_, NSP13_, NCP13_, KSP13_, NLP13_) – should be done with the engine switched off.
- Step 1
Open the hood.
Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3
Detach the oxygen sensor connector.
- Step 4
Unfasten the clamp to release the oxygen sensor wiring harness. Use a flat screwdriver.
- Step 5
Clean the oxygen sensor fastener. Use a wire brush. Use WD-40 spray.
- Step 6
Unscrew the oxygen sensor fastener. Use a flare nut spanner #22. Use a ratchet wrench.
- Step 7
Remove the oxygen sensor.
- Step 8
Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench.
- Step 9
Clean the oxygen sensor mounting seat. Use all-purpose cleaning spray.
Replacement: lambda sensor – TOYOTA YARIS (NHP13_, NSP13_, NCP13_, KSP13_, NLP13_). Professionals recommend:In this case, the connector needs to be removed from the old oxygen sensor and installed on a new one.
- Step 10
Cut off the connector from the old oxygen sensor. Use nippers.
- Step 11
Shorten the wires of the old oxygen sensor connector in such a way that each successive wire is shorter than the previous one. Use nippers.
- Step 12
Shorten the wires of the new oxygen sensor in a corresponding way. Use nippers.
Replacement: lambda sensor – TOYOTA YARIS (NHP13_, NSP13_, NCP13_, KSP13_, NLP13_). AUTODOC experts recommend:Follow the colour coding of the wires. If it does not match, see the manufacturer's instructions for the correct connection order.
- Step 13
Strip the wires of the connector and the new sensor. Use nippers.
- Step 14
Place the heat shrink tubing on the oxygen sensor wiring.
- Step 15
Using solder sleeves, splice the oxygen sensor wires with the connector wires according to the colour coding.
- Step 16
Crimp the solder sleeves. Use crimping pliers.
- Step 17
Shrink the heat shrink tubes of the solder sleeves. Use a heat gun.
- Step 18
Slide the heat shrink tubing you put in place earlier over the wire connection.
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