|
Q.
Has the battery terminal been disconnected?
|
|
After
warm-up engine, idle for about 10 minutes.
|
|
|
|
Q.
Is diagnosis code set?
|
|
Inspection chart for diagnosis code
(Refer to ).
|
|
|
|
- Refer to Data List Reference Table
.
- Item 12: Air flow sensor
- Item 13: Intake air temperature sensor
- Item 14: Throttle position sensor (sub)
- Item 21: Engine coolant temperature sensor
- Item 77: Accelerator pedal position sensor (sub)
- Item 78: Accelerator pedal position sensor (main)
- Item 79: Throttle position sensor (main)
- Item B4: Power steering fluid pressure sensor
|
|
Q.
Are the check results normal?
|
|
Perform the diagnosis code classified
check procedure for the sensor that has shown an abnormal data value (Refer
to Inspection Chart for Diagnosis Code ).
|
|
|
|
- Refer to Data List Reference Table
.
- Item 25: Barometric pressure sensor
|
|
Q.
Is the check result normal?
|
|
- Refer to Data List Reference Table
.
- Item 29: Inhibitor switch
|
|
Q.
Is the check result normal?
|
|
Check
starting impossible (Refer to Inspection Procedure 4).
|
|
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Clean
throttle body (throttle valve portion) (Refer to ).
|
|
|
|
- Refer to Data List Reference Table
.
- Item 11: Cylinder 1, 4 oxygen sensor (front)
- Item 39: Cylinder 2, 3 oxygen sensor (front)
- Item 59: Cylinder 1, 4 oxygen sensor (rear)
- Item 69: Cylinder 2, 3 oxygen sensor (rear)
|
|
Q.
Are the check results normal?
|
|
Perform the diagnosis code classified
check procedure for the sensor that has shown an abnormal data value (Refer
to Inspection Chart for Diagnosis Code ).
|
|
|
![](../../../img/13/AK305845AB00ENG.png)
|
- Measure engine-A/T-ECU terminal voltage.
- Engine: Idling after warm-up
- Transmission: P range
- Radiator fan: Not operating
- Voltage between terminal No. 45 and earth.
OK: Switching the headlamps to ON from OFF causes the
voltage to increase.
Q.
Is the check result normal?
Go to Step 14 .
Go to Step 11
.
|
![](../../../img/13/AK305845AB00ENG.png)
![](../../../img/13/AK300990AC00ENG.png)
|
Q.
Is the check result normal?
Go to Step 12 .
Repair or replace.
|
![](../../../img/13/AK305845AB00ENG.png)
![](../../../img/13/AK300990AC00ENG.png)
|
note |
Before checking harness, check intermediate
connector B-17, and repair if necessary.
|
- Check output line for open/short circuit and damage.
Q.
Is the check result normal?
Replace alternator and go to Step
13 .
Repair.
|
|
Q.
Does the trouble symptom persist?
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Check
ignition circuit system (Refer to Inspection Procedure 26 ).
|
|
|
|
- Check purge control solenoid valve itself (Refer to GROUP 17 -
Emission Control System - Evaporative Emission Control
System- Purge Control Solenoid Valve Check
)
|
|
Q.
Is the check result normal?
|
|
Replace purge control solenoid
valve.
|
|
|
|
- Check EGR valve (stepper motor) itself [Refer to GROUP 17
- Emission Control System - Exhaust Gas Recirculation (EGR)
System - EGR Valve (Stepper Motor) Check
].
|
|
Q.
Is the check result normal?
|
|
Replace EGR valve (stepper
motor).
|
|
|
|
- Check each injector for spray condition (Refer to
).
|
|
Q.
Is the check result normal?
|
|
- Check compression pressure (Refer to GROUP 11A - On-vehicle
Service - Compression Pressure Check
).
|
|
Q.
Is the check result normal?
|
|
- After engine-A/T-ECU is replaced, re-check the trouble
symptom.
|
|
Q.
Does the trouble system persist?
|
|
Check
for foreign matters (water, kerosene, etc.) in fuel and replace if
necessary.
|
|
|