NANO

ENGINE DTC DESCRIPTION CAUSE DIAGNOSTIC LAMP ( MIL ) DIAGNOSTIC LAMP ( CEL ) Gil When Driven In CNG PROBABLE TROUBLE AREA P0201 Gasoline Cylinder 1 Injector Open / Short circuit to battery Open Circuit or Short to battery ON OFF ON 1) Loose/ Damaged Connections or Intermittent fault. 2) INJ supply line Short circuit to Battery/ Ground. 3) INJ control line Short circuit to Battery/ Ground. 4) Check the continuity from injector connector pins to the ECU pins.(ECU pin 244-Injector 1 Pin 1; ECU pin 243- Injector 2 pin 1 ECU Pin 155 – Injector 1 & 2 Pin 2). 12 volts should come at the remaining individual pins of the injectors. 5) Check for back out of pins at both Sensor connector and ECU connector. 6) Check for damage of pins at both sensor connector and ECU connector. 7) Faulty INJ. 8) Faulty ECU P0202 Gasoline Cylinder 2 Injector Open / Short circuit to batter Open Circuit or Short to battery ON OFF ON P0261 Gasoline Cylinder 1 Injector short to ground Short Circuit to Ground ON OFF ON P0264 Gasoline Cylinder 2 Injector short to ground Short Circuit to Ground ON OFF ON P0351 Ignition Coil Primary circuit short to battery/ Current overload in IGBT Short Circuit to Battery ON OFF ON 1) Loose /Damaged connector. 2) IGN Coil Control line Short to Battery/ Ground. 3) Check the continuity from Ignition Coil connector pins to the ECU pins (ECU pin 256-Ignition Coil pin 2, ECU pin 156-Ignition Coil pin 1).12 volts should come at ignition ON. 4) Check for back out of pins at both Ignition Coil connector and ECU connector. 5) Faulty Ignition Coil/ HT Leads/ Spark Plugs. 6)Faulty ECU