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6 CHECK HEATED OXYGEN SENSOR 2 (REAR)
With CONSULT-II
1. Start engine and drive vehicle at a speed of more than 70 km/h (43 MPH) for 2 consecutive minutes.
2. Stop vehicle with engine running.
3. Select “FUEL INJECTION” in “ACTIVE TEST” mode, and select “HO2S2 (B1)” as the monitor item with CONSULT-II.
4. Check “HO2S2 (B1)” at idle speed when adjusting “FUEL INJECTION” to ±25%.
SEF662Y
“HO2S2 (B1)” should be above 0.56V at least once when the “FUEL INJECTION” is +25%. “HO2S2 (B1)” should
be below 0.54V at least once when the “FUEL INJECTION” is −25%.
CAUTION:
쐌 Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto
a hard surface such as a concrete floor; use a new one.
쐌 Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner
tool J-43897-18 or J-43897-12 and approved anti-seize lubricant.
SEF244Y
OK or NG
OK 䊳 GO TO 8.
NG 䊳 Replace heated oxygen sensor 2 (rear).
DTC P0137 HEATED OXYGEN SENSOR 2 (REAR)
(MIN. VOLTAGE MONITORING)
KA24DE
Diagnostic Procedure (Cont’d)
EC-244
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