|
- Refer to Data List Reference Table
.
- Item 02: Engine revolution
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection Service Points
- How to Cope with Intermittent Malfunctions ).
|
|
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Use special tool test harness (MB991709) to connect connector, and
measure at pick-up harness.
- Ignition switch: ON
- Voltage between terminal No. 2 and earth.
|
|
Q.
Is the check result normal?
|
|
- Measure engine-ECU terminal voltage.
- Disconnect B-24 crank angle sensor connector.
- Ignition switch: ON
- Voltage between terminal No. 58 and earth.
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
![](../../../buttons/03btn001.png)
Check intermediate
connector B-37, and repair if necessary. If intermediate connector is
normal, check and repair harness between B-24 (terminal No. 2) crank angle
sensor connector and D-213 (terminal No. 58) engine-ECU
connector.
- Check output line for open circuit and damage.
|
|
|
|
Repair
or replace the connector.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check output line for short circuit.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
- Refer to Data List Reference Table
.
- Item 02: Engine revolution
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection Service Points
- How to Cope with Intermittent Malfunctions ).
|
|
|
|
Replace the engine-ECU. When the
engine-ECU is replaced, write the chassis number (Refer to GROUP 00 -
Precautions Before Service - How to Perform Chassis Number Writing ). After replacing the
engine-ECU, register the injector identification code and learn fuel
injection (Refer to GROUP 00 - Precautions Before Service -
What The Common Rail Engine Learns ).
|
|
|
|
- Use special tool test harness (MB991709) to connect connector, and
measure at pick-up harness.
- Ignition switch: ON
- Voltage between terminal No. 3 and earth.
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
![](../../../buttons/03btn001.png)
Check intermediate
connector B-37, and repair if necessary. If intermediate connector is
normal, check and repair harness between B-24 (terminal No.3) crank angle
sensor connector and D-213 (terminal No. 60) engine-ECU
connector.
- Check power supply line for open/short circuit and
damage.
|
|
|
|
Repair
or replace the connector.
|
|
|
|
- Disconnect connector, and measure at harness side.
- Resistance between terminal No. 1 and earth.
|
|
OK: Continuity (2 Ω or
less)
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check earthing line for open circuit and damage.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
- Use special tool test harness (MB991709) to connect connector, and
measure at pick-up harness.
- Engine: Idling
- Transmission: Neutral <M/T> or P range
<A/T>
- Voltage between terminal No. 2 and earth.
|
|
OK: Waveforms should be displayed on
Inspection procedure using an oscilloscope (Refer to ), its maximum value should be
4.8 V or more, and its minimum valve should be 0.6 V or less with no noise
in waveform.
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Replace the crankshaft sensing
blade.
|
|
|
|
- Refer to Data List Reference Table
.
- Item 02: Engine revolution
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection Service Points
- How to Cope with Intermittent Malfunctions ).
|
|
|
|
Replace the crank angle
sensor
|
|
|