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12 CHECK HEATED OXYGEN SENSOR 1 (FRONT) (BANK 1) SIGNAL
With CONSULT-II
1. See “HO2S1 (B1)” in “DATA MONITOR” mode.
2. Maintaining engine at 2,000 rpm under no-load (engine is warmed up to normal operating temperature.), check that the
monitor fluctuates between “LEAN” and “RICH” more than 5 times during 10 seconds.
SEF945Y
OK or NG
OK 䊳 INSPECTION END
NG (Monitor does not
fluctuate.)
䊳 GO TO 16.
NG (Monitor fluctuates
less than 5 times.)
䊳 GO TO 14.
13 CHECK HEATED OXYGEN SENSOR 1 (FRONT) (BANK 1) SIGNAL
Without CONSULT-II
1. Set voltmeter probe between ECM terminal 63 and ground.
2. Make sure that the voltage fluctuates between 0 - 0.3V and 0.6 - 1.0V more than 5 times during 10 seconds at 2,000
rpm.
1 time: 0 - 0.3V → 0.6 - 1.0V → 0 - 0.3V
2 times: 0 - 0.3V → 0.6 - 1.0V → 0 - 0.3V → 0.6 - 1.0V → 0 - 0.3V
OK or NG
OK 䊳 INSPECTION END
NG (Voltage does not
fluctuate.)
䊳 GO TO 16.
NG (Voltage fluctuates
less than 5 times.)
䊳 GO TO 14.
BASIC SERVICE PROCEDURE
VG33E
Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d)
EC-649
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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