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4 CHECK KNOCK SENSOR
Check resistance between knock sensor terminal 1 and ground.
NOTE:
It is necessary to use an ohmmeter which can measure more than 10 MΩ.
SEC119D
CAUTION:
Do not use any knock sensors that have been dropped or physically damaged. Use only new ones.
OK or NG
OK © GO TO 8.
NG © Replace knock sensor.
5 RETIGHTEN GROUND SCREWS
Loose and retighten engine ground screws.
SEC047D
© GO TO 6.
6 CHECK KNOCK SENSOR SHIELD CIRCUIT FOR OPEN AND SHORT
1. Disconnect harness connectors F8, F131.
2. Check harness continuity between harness connector F8 terminal 2 and engine ground.
Continuity should exist.
3. Also check harness for short to power.
OK or NG
OK © GO TO 8.
NG © GO TO 7.
7 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors F8, F131
I Joint connector-18
I Harness for open or short between harness connector F8 and engine ground
© Repair open circuit or short to power in harness or connectors.
DTC P0327, P0328 KS
Diagnostic Procedure (Cont’d)
EC-328
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