Engine Control System (4JJ1) 1A-149
4
1. Turn OFF the ignition.
2. Disconnect the CMP sensor harness
connector.
3. Inspect for an intermittent, for poor
connections and corrosion at the harness
connector of the CMP sensor (pins 1, 2 and 3
of E18).
4. Disconnect the ECM harness connector.
5. Inspect for an intermittent, for poor
connections and corrosion at the harness
connector of the ECM (pins 87, 98, 100 and
101 of E12).
6. Repair the connection(s) as necessary.
Did you find and correct the condition?
—
Go to Step 7 Go to Step 5
5
1. Inspect the CMP sensor and chain sprocket
for the following conditions:
• Physical damage of sensor
• Loose or improper installation of sensor
• Excessive air gap
• Foreign material passing between sensor
and chain sprocket
• Physical damage of chain sprocket
• Loose or improper installation of chain
sprocket
2. Repair or replace as necessary.
Did you find and correct the condition?
—
Go to Step 7 Go to Step 6
6
Replace the CMP sensor. Refer to CMP Sensor in
Section 1B Engine Mechanical.
Did you complete the replacement?
—
Go to Step 7 —
7
1. Reconnect all previously disconnected
harness connector(s).
2. Clear the DTCs with a scan tool.
3. Turn OFF the ignition for 30 seconds.
4. Start the engine.
5. Operate the vehicle within the Conditions for
Running the DTC. You may also operate the
vehicle within the conditions that you
observed from the Freeze Frame/ Failure
Records.
Did the DTC fail this ignition?
—
Go to Step 2 Go to Step 8
8
Observe the DTC Information with a scan tool.
Are there any DTCs that you have not diagnosed?
—
Go to DTC List System OK
Step Action Value(s) Yes No
LG4JJED-WE-0871.book 149 ページ ２００８年４月４日 金曜日 午前９時６分
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