Engine Control System 1A-49
9
1.
Replace the ECM.
IMPORTANT:
If necessary (for the vehicle equipped with
idle stop function), input the number of
startups to the replacing ECM.
Is the action complete?
—
Go to Step 4
—
10
Observe the CHECK ENGINE lamp for
operation.
1.
Short DLC (Data Link Connector) pins 4
and 6 and turn on the diagnostic switch.
2.
Starter switch "ON", and observe the
CHECK ENGINE lamp.
Does the CHECK ENGINE lamp blink?
—
Go to Step 11
Refer to
"Unblinking
CHECK ENGINE
Lamp Check" and
go to Step 11
11
Using Tech 2, check DTC.
Is DTC detected?
—
Go to the
appropriate DTC
Chart.
Go to Step 12
12
Start the engine.
Does the engine start and continue running?
—
Go to Step 13
Refer to
“Symptom
Diagnosis Chart”
and go to Step 13
13
1.
Using Tech 2, display engine data.
2.
Compare engine data to Tech 2 typical
values.
Do engine data almost agree with typical
values?
—
The OBD system
is in normal
condition
Refer to "Test
Description"
Step
Action
Value(s)
Yes
No
Summary of Contents for 4HL1
Page 267: ...No LG4HL WE 0229DOM...
