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Troubleshooting

1. not insert the probe RUBBER SEAL TESTER PROBE LULL LLL TLD Se H WIRE HARNESS TERMINAL 6 19
2. Troubleshooting Self diagnostic Procedure When the Check Engine warning light has been reported on turn the ignition on pull down the passenger s side carpet from under the dashboard and observe the LED on the top of the ECU The LED indicates a system failure code by blinking frequency The ECU LED can indicate any number of simultaneous component problems by blinking separate codes one after another LED DISPLAY Separate Problems sd es fin See Problem CODE 1 JUN Bip ru See Problem CODE 2 UU UYI FUU See Problem CODE 3 Simultaneous Problems Ae Cea S See Problem CODE 1 and 2 See Problem CODE 2 and 4 mM JU UUL J See Problem CODE 1 2 and 3 TT SYSTEM INDICATED PAGE o T ECU 6 21 1 OXYGEN CONTENT With CATA 6 24 3 6 26 J 5 MANIFOLD ABSOLUTE PRESSURE H ae 4 CRANK ANGLE 6 32 36 6 COOLANT TEMPERATURE 6 42 7 THROTTLE ANGLE 6 44 8 TDC POSITION 6 34 38 9 No 1 CYLINDER POSITION 6 40 46 10 INTAKE AIR TEMPERATURE T 6 48 11 IMA Without CATA 6 50 ATMOSPHERIC PRESSURE Ex KQ 6 52 ELECTRONIC AIR CONTROL 6 61 IGNITION OUTPUT SIGNAL 6 54 FUEL INJECTOR 17 VEHICLE SPEED SENSOR If codes other than those listed above are indicated count the number of blinks again If the indicator is in fact blinking these codes substitute a known good ECU and recheck If the indication goes away repl
3. ace the original ECU The Check Engine warning light and ECU LED may come on indicating an system problem when in fact there is a poor or intermittent electrical connection First check the electrical connections clean or repair connections if necessary If the Check Engine warning light is on and LED stays on replace the ECU 6 18 If the inspection for a particular failure code requires the PGM FI test harness remove the right door sill molding the small cover on the right kick panel and pull the carpet back to expose the ECU Unbolt the ECU bracket Connect the PGM FI test harness Then check the system according to the procedure described for the appropriate code s listed on the following pages DIGITAL CIRCUIT TESTER 07411 0020000 PGM FI TEST HARNESS 07999 PD6000A A A3 AS A AD AAS AISAIT 8 B3 85 87 89 B1 813 815 B17 B19 cr C3 c5 C C9 C1 C13 CIS OODOOCO0OO FOOCOOOCO00OO FOOOOCCO0O OOOOCOOOCO FCOCOCOCOOO f OOCOCO0O0 A Ad AG AB AIO AIZAISAIG AIB 82 B4 BG BE 810 812 814816 B18 B20 C2 C4 C6 ca CIO CI Cta C16 TERMINAL LOCATION CAUTION Puncturing the insulation on a wire can cause poor or intermittent electrical connections For testing at connectors other than the PGM FI test harness bring the tester probe into contact with the terminal from the connector side of wire harness connectors in the engine compartment For female connectors just touch lightly with the tester probe and do

Troubleshooting

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