ŝĂŐŶŽƐƟ Đ ŽĐƚŽƌ 29 ǁǁǁ͘ ĂŌ ĞƌŵĂƌŬĞƚŽŶůŝŶĞ͘ ŶĞƚ EŽǀĞŵďĞƌ ϮϬϮϲ BUILT FOR PROFESSIONAL DIAGNOSTICS ONE Pro 12" Automotive Scan Tool with Docking Station 澅&ĕçç瀆_ĬĉĐÁì k XąõÍą§ììÖîÍ Ìõą D| 煁 { ' 澅 k õ½ÖîÍ §î½ KîÁ瀆 çÖ·ä ĕĉĐõìÖı§ĐÖõî Ìõą 溡溠灢 ą§î½ĉ 澅 ½ĥ§î·Á½ K 瀆>ÁĥÁç fõĂõçõÍĬ 煁 DĕçĐÖ瀆 Ó§îîÁç ZĕÖ·ä _·§î 澅>ÖĥÁ §Đ§ &ĕĉÖõî §î½ K 'ą§ĂÓÖ·Ö§ç Ö§ÍîõĉĐÖ·ĉ 澅:溢溥溣溤 X§ĉĉ瀆fÓąĕ XąõÍą§ììÖîÍ 溨瀆 õąÁ Xk î½ąõÖ½ 溡溦濃溠 濎'õõÍçÁ 'D_ ÁąĐÖÌÖÁ½濏 溨' 灢 溢溥溦 ' 溡溥潼溠溠溠 ì Ó 溡溢瀡 ÖĉĂç§Ĭ fKX KE k[KX _> k濃fKX KE濃 KD 煀ĐõĂ½õîÁĕąõĂÁ fKX KE k 煌 灢溣溤 溩溣溠 溥溢溣 溡溤溩 煌 ĉ§çÁĉ潻Áĕ煀ĐõĂ½õî潻·õì §ççÁ _§îĐ çÖÁĉ潼 溢溩瀈溣溥潼 _Đ潻 潼 溢î½ &çõõą潼 KÌÌÖ·Á 溡潼 溠溨溠溠溦 §ą·Áçõî§潼 _çÖî Further investigation using SureTrack Expert information, also in the Intelligent Diagnostics Workflow, identifies a verified real-world repair. In the example, the customer complaint confirmed a lack of power under acceleration; code P1688 was confirmed with a scan tool, and the mass airflow sensor signal was tested with a lab scope and found to be within specification. A road test was then carried out, during which a metallic noise was detected from the front of the engine and a burning rubber smell was present. Further inspection revealed that the crankshaft pulley had separated from the harmonic balancer; the pulley is integrated into the balancer and is replaced as a single unit. This failure caused incorrect engine speed calculation, incorrect load calculation by the DME and then the triggering of the DTC Based on this information, our Mini’s harmonic balancer was replaced, the fault codes were cleared, and a road test was completed. The engine performance was restored, no warning lights returned and a final check confirmed that no further DTCs had been stored Takeaway A key takeaway from this example is to always remember that fault codes and guided test paths can indicate likely causes, but not always the root cause. It is important to always validate mechanical components alongside electronic diagnosis.
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