NANO

ENGINE 273 MPFI 284 P Code Description as per ISO/SAE Fault cause MIL / Blink Diag Detection / Customer Effect Probable Trouble area Check Code Tool for BS-III-IV P0691 Radiator Fan Control Circuit Low Short Circuit ON 38 YES 1. Fan may get ON always increasing fuel consumption and may 1) Loose/ Damaged Connections. to Ground cause damage to the Fan. 2) Relay supply line Short circuit toBattery/ Ground. 2. Fan is not running. 3) Relay Control line Short circuit to Battery/ Ground. 3. Engine heat up & seize and may cause damage to components. 4) Check the continuity from Radiator Fan Relay connector pin to the ECU pin 4. P0692 Radiator Fan Control Circuit High Short Circuit ON 38 YES 1. Fan is not running. 5) Check for back out of pins at ECU connector. to Battery 2. Engine heat up & seize and may cause damage to components. 6) Faulty Radiator Fan Relay. 7) Faulty ECU. P0695 Condensor Fan Control Circuit Low Short Circuit OFF 51 YES 1. Fan may get on always increasing fuel consumption and may 1) Loose/ Damaged Connections. to Ground cause damage to Fan. 2) Relay supply line Short circuit toBattery/ Ground. 2. A/C compressor may get damage. 3) Relay Control line Short circuit to Battery/ Ground. 4) Check the continuity from Condenser Fan Relay P0696 Condensor Fan Control Circuit High Short Circuit OFF 51 YES 1. Fan is not running. connector pin to the ECU pin 49. to Battery 2. A/C compressor heat up and may get damaged. 5) Check for back out of pins at ECU connector. 6) Faulty Condenser Fan Relay. 7) Faulty ECU P1601 Malfunction Indicator Lamp (Check Nano Lamp) Short Circuit Not YES 1. No effect on vehicle performance. 1) MIL control line short/Grounded in the harness. Control Circuit Low to Ground Controlled 2. Check Nano Lamp may glow continuously causing customer 2) ECU hardware software failure distraction and dissatisfication. P1602 Malfunction Indicator Lamp (Check Nano Lamp) Short Circuit Not YES 1. No effect on vehicle performance. Control Circuit High to Battery Controlled 2. Check Nano Lamp won’t glow & driver can’t get warning for errors. P1603 Temperature warning light fault Signal Error OFF 43 YES 1.No effect on vehicle performance. 1) Loose/Damaged connections. 2. High temperature alert not active. 2)Output line shorted to ground or battery 3. Damage to the engine is possible if engine overheating is also possible. P1604 Temperature warning light circuit short to Short Circuit OFF 43 YES 1.No effect on vehicle performance. Ground to Ground 2. High temperature alert not active. 3. Damage to the engine is possible if engine overheating is also possible. P1605 Temperature warning light circuit short to Short Circuit OFF 43 YES 1.No effect on vehicle performance. Battery to Battery 2. High temperature alert not active. 3. Damage to the engine is possible if engine overheating is also possible. P2279 Intake air system leak Crack in the ON 71 YES 1. High engine idle rpm 1. Damaged inlet manifold manifold, 2. Exhaust & catalyst heat up 2. Canister purge hose removed/damaged canister purge 3. Overheating of the engine hose removed P0617 Starter Relay Circuit High Short Circuit OFF 63 YES Starter is released (always closed relay ) 1) Check continuity from ECU Pin 13 to Starter Relay coil to Battery Starter protection is not possible grounding pin in the relay. 2) Check for loose connections P0616 Starter Relay Circuit Low Short Circuit OFF 63 YES Start not possible. Starter will never engage as relay remains 3) Check for connection damage and back out at both the to Ground always open. connectors ( ECU & Relay) 4) Check the supply connections of the relay as per the P0615 Starter Relay Circuit Signal Error OFF 63 YES Starter is released (always closed relay ) wiring diagram. Starter protection is not possible 5) Faulty or sticky relay 6) Faulty ECU