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15 CHECK MASS AIR FLOW SENSOR
With CONSULT-II
Check mass air flow sensor signal in “DATA MONITOR” mode with CONSULT-II.
3.3 - 4.8 g·m/sec: at idling
12.0 - 14.9 g·m/sec: at 2,500 rpm
With GST
Check mass air flow sensor signal in MODE 1 with GST.
3.3 - 4.8 g·m/sec: at idling
12.0 - 14.9 g·m/sec: at 2,500 rpm
OK or NG
OK 䊳 GO TO 16.
NG 䊳 Check connectors for rusted terminals or loose connections in the mass air flow sensor
circuit or engine grounds. Refer to EC-739.
16 CHECK SYMPTOM MATRIX CHART
Check items on the rough idle symptom in “Symptom Matrix Chart”, EC-710.
OK or NG
OK 䊳 GO TO 17.
NG 䊳 Repair or replace.
17 ERASE THE 1ST TRIP DTC
Some tests may cause a 1st trip DTC to be set.
Erase the 1st trip DTC from the ECM memory after performing the tests. Refer to EC-666.
䊳 GO TO 18.
18 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-732.
䊳 INSPECTION END
DTC P0300 - P0306 NO.6-1CYLINDER MISFIRE, MULTIPLE
CYLINDER MISFIRE
VG33E
Diagnostic Procedure (Cont’d)
EC-935
GI
MA
EM
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
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