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DTC No.
Trouble diagnosis
name
DTC Detecting Condition Possible Cause
P0132
0132
(Bank 1)
P0152
0152
(Bank 2)
Heated oxygen sen-
sor 1 circuit high volt-
age
An excessively high voltage from the sensor is
sent to ECM.
I Harness or connectors
(The sensor circuit is open or
shorted.)
I Heated oxygen sensor 1
SEF174Y
DTC Confirmation Procedure
NFEC0877
NOTE:
If “DTC Confirmation Procedure” has been previously conducted,
always turn ignition switch “OFF” and wait at least 10 seconds
before conducting the next test.
WITH CONSULT-II
NFEC0877S01
1) Start engine and warm it up to normal operating temperature.
2) Turn ignition switch “OFF” and wait at least 10 seconds.
3) Turn ignition switch “ON”.
4) Select “DATA MONITOR” mode with CONSULT-II.
5) Restart engine and let it idle for 25 seconds.
6) If 1st trip DTC is detected, go to “Diagnostic Procedure”,
EC-224.
WITH GST
NFEC0877S02
1) Start engine and warm it up to normal operating temperature.
2) Turn ignition switch “OFF” and wait at least 10 seconds.
3) Restart engine and let it idle for 25 seconds.
4) Turn ignition switch “OFF” and wait at least 10 seconds.
5) Restart engine and let it idle for 25 seconds.
6) Select “MODE 3” with GST.
7) If DTC is detected, go to “Diagnostic Procedure”, EC-224.
I When using GST, “DTC Confirmation Procedure” should
be performed twice as much as when using CONSULT-II
because GST cannot display MODE 7 (1st trip DTC) con-
cerning this diagnosis. Therefore, using CONSULT-II is
recommended.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0132, P0152 HO2S1
On Board Diagnosis Logic (Cont’d)
EC-221
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