Diagnostic Trouble Code (DTC) Information

ECM-3400 KNOCK SENSOR (KS), TEST PULSE
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION




Condition
Diagnostic Trouble Code (DTC) ECM-3400 is stored within 2 minutes if the control module detects a fault in control module knock control circuit.

Condition
- ignition retarded for safety reasons
- reduced boost pressure

Possible source
- defective control module

Condition
- Malfunction Indicator Lamp (MIL) lit