BE6053
P24662
A08533
OFF
(
−
)
(+)
KNK 1
KNK 2
E5 Connector
DI
−
60
−
DIAGNOSTICS
ENGINE
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
HINT:
S
DTC P0325 is for the knock sensor circuit on the front side.
S
DTC P0330 is for the knock sensor circuit on the rear side.
1
Check continuity between terminal KNK1, KNK2 of ECM connector and body
ground.
PREPARATION:
(a)
Remove the instrument panel speaker No.1 panel (See
page
SF
−
65
).
(b)
Disconnect the E5 connector of ECM.
CHECK:
Measure resistance between terminal KNK1, KNK2 of ECM
connector and body ground.
HINT:
S
Connect terminal KNK1 to knock sensor 1.
S
Connect terminal KNK2 to knock sensor 2.
OK:
Resistance: 1 M
Ω
or higher
OK
Go to step 3.
NG
2
Check knock sensor (See page
SF
−
62
).
NG
Replace knock sensor.
OK
3
Check for open and short in harness and connector between ECM and knock
sensor (See page
IN
−
28
).
NG
Repair or replace harness or connector.
OK
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Brought to you by BirfMark
Version 1.00 - 12/21/2010