EN(H4SO)-120
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
5
CHECK HARNESS BETWEEN INTAKE AIR
TEMPERATURE SENSOR AND ECM CON-
NECTOR.
1) Turn ignition switch to OFF.
2) Measure resistance of harness between
intake air temperature and pressure sensor
connector and engine ground.
Connector & terminal
(E20) No. 2 — Engine ground:
Is the measured value less than the speci-
fied value?
5
Ω
Replace intake air
temperature sen-
sor. <Ref. to
FU(H4SO)-33,
REMOVAL, Intake
Air Temperature
Sensor.>
Repair harness
and connector.
NOTE:
In this case, repair
the following:
• Open circuit in
harness between
intake air tempera-
ture sensor and
ECM connector
• Poor contact in
intake air tempera-
ture sensor
• Poor contact in
ECM
• Poor contact in
coupling connector
• Poor contact in
joint connector
Step
Value
Yes
No