Author archives: Denso
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Poor Cooling Performance in a Vehicle With Dual A/CCONDITION: Poor cooling performance in a vehicle with a dual (front/rear) A/C system. The system uses a joint type expansion valve* in the rear cooling unit, with no magnetic valve. The compressor has been confirmed to be ok, and the front expansion valve was replaced recently. CAUSE: The thermosensitive tube of the rear expansion valve …
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Poor Cooling Performance in a Vehicle With Dual A/CCONDITION: Poor cooling performance in a vehicle with a dual (front/rear) A/C system. The system uses a joint type expansion valve* in the rear cooling unit, with no magnetic valve. The compressor has been confirmed to be ok, and the front expansion valve was replaced recently. CAUSE: The thermosensitive tube of the rear expansion valve …
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Starter System DiagnosisThe following general information has been assembled as a guide for starter circuit diagnosis. Refer to the appropriate Original Equipment Manufacturer’s service manual for specific information pertaining to starting system diagnostic procedures and safety precautions for your vehicle. Bench testing If a starter test bench is available, follow the procedures found in the bench tester’s …
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Cabin Air Filter Installation PrecautionCONDITION: Field reports indicate the vehicle air conditioning system uses only outside air, even if the recirculation mode is engaged or the recirculation mode doesn’t operate at all. CAUSE: It is most likely that the vehicle cabin air filter was replaced with the air blend door in the ‘Fresh Mode’ or the blower assembly door …
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Denso focuses on air conditioningDenso is a leading original equipment (OE) manufacturer and system supplier to vehicle manufacturers (VMs) globally and a pioneer in the design and development of air conditioning (AC) systems. Ensuring these systems are functioning correctly is an important responsibility for workshops and, particularly as the weather gets warmer, both a comfort and safety benefit for …
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DO-IT-YOURSELF (DIY) SERVICE PRODUCES DTC P0135. WRONG PART INSTALLEDCONDITION: A vehicle owner living in Portland, Oregon performs a DIY maintenance on his 4 cylinder Camry, including spark plugs and universal oxygen sensors. After the repair the check engine light was illuminated. The vehicle was then driven to a professional repair facility. The service technician defined the check engine light as a Diagnostic Trouble …
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A/C CLUTCH INOPERATIVE AND A/C LIGHT FLASHINGCONDITION: The vehicle A/C is inoperative, compressor clutch will not engage and A/C light is flashing. CAUSE: The magnetic clutch relay is disengaging, causing the clutch to disengage and the A/C light to flash. CORRECTION: Toyota has developed a new magnetic clutch relay for this application*. Original RelayRevised Relay Toyota P/N = 90987-02022Toyota P/N = …
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Denso introduces more cabin filter referencesCabin filter replacement is not only a scheduled service replacement item, but also an important health and safety precaution, which is why original equipment (OE) manufacturer Denso, says it continues to increase its aftermarket offering. The most recent new additions, which are now available throughout Europe, include six cabin pollen filters that cater for 653 …
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Denso further bolsters online training offeringDenso Aftermarket has further bolstered its online training offering with the launch of the new ‘Denso in the Workshop’ webinar series. Technical guru Mike Sadler launched the new ‘in the workshop’ format with a hands on demonstration and detailed discussion concerning oil contamination of the air conditioning system, in conjunction with aftermarket personality Hayley Pells. …
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Denso offers wipers solutionWhen it comes to reasons for an NCT test failure, the condition and performance of the wiper blades remains high up on the list, which proves that despite their essential role in driver safety, they’re often overlooked by vehicle owners. Supplying and fitting wiper blades is therefore an important provision that should be offered by …
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