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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.
SEF322X
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.
SEF255X
© 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. Refer to Wiring Diagram.
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 connectors-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.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0325 KNOCK SENSOR (KS)
Diagnostic Procedure (Cont’d)
EC-341
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