BASIC SERVICE PROCEDURE
EC-615
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
20.
DETECT MALFUNCTIONING PART
Check the following.
1.
Connect heated oxygen sensor 1 harness connectors to heated oxygen sensors 1.
2.
Check fuel pressure regulator. Refer to
EC-617
.
3.
Check mass air flow sensor and its circuit. Refer to
EC-720
.
4.
Check injector and its circuit. Refer to
EC-1140
.
Clean or replace if necessary.
5.
Check engine coolant temperature sensor and its circuit. Refer to
EC-738
.
6.
Check ECM function by substituting another known-good ECM.
(ECM may be the cause of an incident, but this is a rare case.)
>> GO TO 2.
Fast Idle Cam (FIC) Inspection and Adjustment
UBS00DET
OPERATION PROCEDURE
With CONSULT-II
1.
Turn ignition switch ON.
2.
See “COOLAN TEMP/S” in “DATA MONITOR” mode with CON-
SULT-II.
3.
When engine coolant temperature is 20 to 30
°C (68 to 86°F),
make sure that the center of mark A is aligned with mark B as
shown in the figure.
●
If NG, adjust by turning adjusting screw.
4.
Start engine and warm it up.
5.
When engine coolant temperature is 75 to 85
°C (167 to 185°F),
check the following.
●
The center of mark A is aligned with mark C .
●
The cam follower lever's roller is not touching the fast idle
cam.
●
If NG, replace thermo-element and perform the above inspection
and adjustment again.
With GST
1.
Turn ignition switch ON.
SEF013Y
Lock nut
: 0.98 - 1.96 N·m (10 - 20 kg-cm, 8.7 - 17.4 in-lb)
SEF970R
SEF971R