240 L4-2320cc 2.3L SOHC VIN 83 B230FD (1993)
Throttle Position Switch: Testing and Inspection
TP Switch Signal Faulty At Full Load
EK. DIAGNOSTIC TROUBLE CODE (DTC) 2-1-3 MFI LH 2.4
2-1-3 Throttle position (TP) switch signal faulty at full load position
DTC conditions:
The TP switch indicates full load but the control module receives a load signal that is too low to be full load. The DTC will be logged unless the engine
is in starting or limp home modes.
Causes Of Fault:
Grounding in the wiring to the control module. The full load switch is not breaking.
Fault symptoms:
Normally no fault symptoms.
EK1
Checking The Power Supply
-Disconnect the TP switch.
-Ignition on.
Connect a voltmeter between terminals 3 and 2 (GND) on the connector.
The voltmeter should read approx. 12 V.
It this value is OK:
-Check the TP switch EK2.
IF the reading Is Incorrect:
-Check the wiring and connections for grounding.
EK2
Checking the throttle position (TP) switch