NANO

ELECTRICALS 204 Sr. No. Displayed DTC Code DTC Description Fault cause Probable trouble Area 25 P2101 - 16 Throttle actuator control motor circuit range/performance, indicates that the DLR lies outside of the valid control range - actuator stuck Circuit voltage below threshold 1) Need to check if any obstruction for actuating throttle valve. 2) Check if the wiring connections are proper for the ETC. 3) If signals are fine at breakout box end, then need to check with harness line or else fault ETC. 4) Faulty ECU. 26 P2176 - 24 Throttle actuator control system – idle position not learned - indicates that UMA- learning was aborted due to violated input conditions Signal stuck high 1) Need to check if any obstruction for actuating throttle valve. 2) Check if the wiring connections are proper for the ETC. 3) If signals are fine at breakout box end, then need to check with harness line or else fault ETC. 4) Faulty ECU. 27 P2176 - 23 Throttle actuator control system – idle position not learned - indicates that UMA- learning was aborted due to violated input conditions Signal stuck low 1) Need to check if any obstruction for actuating throttle valve. 2) Check if the wiring connections are proper for the ETC. 3) If signals are fine at breakout box end, then need to check with harness line or else fault ETC. 4) Faulty ECU. 28 P2176 - 7 Throttle actuator control system – idle position not learned - indicates that UMA- learning was performed incorrectly during the initial initialization Mechanical failures 1) Need to check if any obstruction for actuating throttle valve. 2) Check if the wiring connections are proper for the ETC. 3) If signals are fine at breakout box end, then need to check with harness line or else fault ETC. 4) Faulty ECU. 29 P2176 - 71 Throttle actuator control system – idle position not learned - indicates that UMA- learning was performed incorrectly during the initial initialization Actuator stuck 1) Need to check if any obstruction for actuating throttle valve. 2) Check if the wiring connections are proper for the ETC. 3) If signals are fine at breakout box end, then need to check with harness line or else fault ETC. 4) Faulty ECU. 30 P0629 - 12 Fuel pump short to battery Circuit short to battery 1) Loose/ damaged connections. 2) Check the continuity from fuel pump relay connector pin to the ECU pin. 3) Check for back out of pins at ECU connector. 4) Faulty fuel pump. 5) Faulty ECU.