Service manual

06-11
There are three levels of identifying a malfunction in the ECU or the sensors.
LEVEL 1 VISUAL
This is indicated by the lamp in the MIL glowing continuously. Check for any sensor loose
connections and plug in properly. If still MIL GLOWS, then check for the the problem by
Test Pin or by DOL TOOL.
LEVEL 2 TEST PIN
An open single pole connector is provided close to the UCE. By inserting a piece of wire
into this connector and grounding it to an earth, the defective sensor can be identified by
the following frequency of the MIL blinking.
MIL BLINK MAL FUNCTION INDICATION
MIL will glow continuous. Engine will start but not perform to its potential.
LONG 0 SHORT 6 Throttle Position Sensor (TPS) circuit malfunctioning
LONG 0 SHORT 9 Manifold Absolute Pressure (MAP) circuit
malfunctioning
LONG 1 SHORT 1 Engine oil Temperature (TE) circuit malfunctioning
MIL will glow continuous. Engine will NOT Start but will crank.
LONG 1 SHORT 5 Rollover Sensor circuit malfunctioning
LONG 3 SHORT 3 Injector circuit malfunctioning
LONG 3 SHORT 7 Ignition Coil circuit malfunctioning
LONG 4 SHORT 1 Fuel Pump circuit malfunctioning
LONG 6 SHORT 6 Crankshaft position circuit malfunctioning
Malfunction Identification of EMS