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NG 䊳 Repair open circuit or short to ground or short to power in harness or connectors.
7 CHECK HEATED OXYGEN SENSOR 1 HEATER (FRONT)
Check resistance between HO2S1 (front) terminals 3 and 1.
AEC158A
Resistance: 2.3 - 4.3Ω at 25°C (77°F)
Check continuity between HO2S1 (front) terminals 2 and 1, 3 and 2.
Continuity should not exist.
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.
OK or NG
OK 䊳 GO TO 8.
NG 䊳 GO TO 12.
DTC P0133, P0153 HEATED OXYGEN SENSOR 1 (FRONT)
(BANK 1)/(BANK 2) (RESPONSE MONITORING)
VG33E
Diagnostic Procedure (Cont’d)
EC-815
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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