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6 CHECK HEATED OXYGEN SENSOR 1 (FRONT)
With CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Select “MANU TRIG” and adjust “TRIGGER POINT” to 100% in “DATA MONITOR” mode with CONSULT-II.
3. Select “HO2S1 (B1)/(B2)” and “HO2S1 MNTR (B1)/(B2)”.
4. Hold engine speed at 2,000 rpm under no load during the following steps.
5. Touch “RECORD” on CONSULT-II screen.
SEF646Y
6. Check the following.
I “HO2S1 MNTR (B1)/(B2)” in “DATA MONITOR” mode changes from “RICH” to “LEAN” to “RICH” 5 times in 10 seconds.
5 times (cycles) are counted as shown below.
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I “HO2S1 (B1)/(B2)” voltage goes above 0.6V at least once.
I “HO2S1 (B1)/(B2)” voltage goes below 0.3V at least once.
I “HO2S1 (B1)/(B2)” voltage never exceeds 1.0V.
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CAUTION:
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.
OK or NG
OK © GO TO 9.
NG © GO TO 8.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0132 (BANK 1), P0152 (BANK 2) HO2S1 (FRONT) (RICH SHIFT
MONITORING)
Diagnostic Procedure (Cont’d)
EC-215
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