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EG–562
ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING
WIRING DIAGRAM
Engine Control Module
No.1 Knock Sensor
(Front side)
1 W 50 KNK1
E9
E1
No.2 Knock Sensor
(Rear side)
1 W 49 KNK2
E9
E1
FI6541
INSPECTION PROCEDURE
HINT: If diagnostic trouble code 52 is displayed, check No.1 knock sensor (for front side) circuit.
If diagnostic trouble code 55 is displayed, check No.2 knock sensor (for rear side) circuit.
If diagnostic trouble code 53 is displayed, replace engine control module.
1 Check continuity between terminals KNK1, KNK2 of engine control module
connector and body ground.
LOCK
SST
B: 50, 49
KNK1 KNK2
BE6653
FI6506
P (1) Connect SST (check harness "A").
(See page EG–510)
SST 09990–01000
(2) Disconnect the engine control module con–
nectors.
C Measure resistance between terminals KNK1,
KNK2 of engine control module connector and
body ground.
OK Resistance: 1 M or higher
NG OK Go to step 3