240 L4-2320cc 2.3L SOHC VIN 83 B230FD (1993)
Knock Sensor: Testing and Inspection
Fuel Injection
EQ. DIAGNOSTIC TROUBLE CODE (DTC) 3-1-2 MFI LH 2.4 AND LH 3.1
3-1-2 No knock enrichment signal from distributor ignition (DI) system
DTC Conditions:
When attempting to start the engine the DI system control module sends an ignition signal to terminals 1 and 28. This is to check that the wiring to
terminal 28 is unbroken. A DTC is logged if the signal is missing.
Causes Of Fault:
Break or short circuit in the wiring between DI#4 and MFI#28.
Fault symptoms:
Normally no fault symptoms.
EQ1
Connecting The Test Box To DI EZ 116 K.
-Ignition off.
-Remove system fuse (in engine compartment (-90) or no. 6 (91-)).
-Connect the test box to DI.
-Continue with Checking the signal from DI EQ2.
EQ2
Checking The Signal From DI EZ 116 K.
