FI SYSTEM DIAGNOSIS 4-31 DTC No. DETECTED DETECTED FAILURE CONDITION CHECK FOR ITEM STP sensor The sensor should produce following STP sensor, lead wire/coupler voltage. connection C29 0.15 V sensor voltage < 4.85 V In other than the above range, C29 (P1654) is indicated. H Sensor voltage is higher than specified STP sensor circuit shorted to value. VCC or ground circuit open P1654 Sensor voltage is lower than specified STP sensor circuit open or L value. shorted to ground or VCC circuit open Gear posi- Gear position signal voltage should be GP switch, wiring/coupler con- C31 tion signal higher than the following for 3 seconds nection, gearshift cam, etc. and more. Gear position sensor voltage > 0.6 V P0705 If lower than the above value, C31 (P0705) is indicated. Primary fuel CKP sensor (pickup coil) signal is pro- Primary fuel injector, wiring/cou- C32/C33 injector duced, but fuel injector signal is inter- pler connection, power supply to C34/C35 rupted 4 times or more continuously. In the injector E this case, the code C32 (P0201), C33 P0201/P0202 L (P0202), C34 (P0203) or C35 (P0204) P0203/P0204 is indicated. P Secondary Some failure exists in the fuel injector Secondary fuel injector, wir- C36/C37 fuel injector signal in a high load, high revolution ing/coupler connection, power C38/C39 M condition.In this case, the code C36 supply to the injector A P1764/P1765 (P1764), C37 (P1765), C38 (P1766) or C39 (P1767) is indicated. P1766/P1767 S Fuel pump No voltage is applied to the fuel pump, Fuel pump relay, lead wire/cou- relay although fuel pump relay is turned ON, pler connection, power source to C41 or voltage is applied to fuel pump fuel pump relay and fuel injec- although fuel pump relay is turned tors OFF. Voltage is applied to fuel pump Fuel pump relay switch circuit H although fuel pump relay is turned shorted to power source P0230 OFF. Fuel pump relay (switch side) No voltage is applied to the fuel pump, Fuel pump relay circuit open or L although fuel pump relay is turned ON. short Fuel pump relay (coil side). C42 Ignition Ignition switch signal is not input to the Ignition switch, lead wire/coupler, switch ECM. etc. P1650 * When the I.D. agreement is not verified. * Immobilizer/anti-theft system * ECM does not receive communication signal from the immobilizer antenna. * : Immobilizer system is equipped model only.