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DI--136
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DIAGNOSTICS
ENGINE (2RZ--FE, 3RZ--FE)
2 Check knock sensor
NG
Replace knock sensor.
OK
3 Check for open and short in harness and connector between engine ECU and
knock sensor
NG
Repair or replace harness or connector.
OK
4 Does malfunction disappear when a good knock sensor is installed?
YES
Replace knock sensor.
NO
Check and replace engine ECU
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Pages From Supplement
3RZ-F,3RZ-FE