If your Honda CR-Z Hybrid 2012 is showing the IMA light and your auxiliary battery isn't charging, this video is exactly what you need!
Honda CR-Z 2012 IMA Light On P1448 P1634 Fix - Auxiliary Battery Not Charging Cooling Fan Failure
⚠️ In this video:
Diagnosis and removal of the hybrid battery cooling fan
Identifying water damage affecting the IMA system
Solving fault codes P1448 (IMA fan failure) and P1634
How to stay safe when working around the high-voltage hybrid battery
The IMA (Integrated Motor Assist) system in your CR-Z is essential for hybrid performance, and cooling the battery is critical to avoid expensive damage. If your fan stops working or the auxiliary battery fails to charge, you'll often see warning lights and system errors.
🚗 Vehicle Information:
• Model: Honda CR-Z Hybrid
• Engine: 1.5L LEA i-VTEC
• Year: 2012
• Fuel: Gasoline
Honda CR-Z 2012 - Auxiliary Battery Not Charging Cooling Fan Failure IMA Light On P1448 P1634 Fix
💡 Interesting Facts:
P1448 is a common fault code when the IMA cooling fan fails, often due to moisture or corrosion.
Driving with a faulty hybrid cooling system can shorten the lifespan of your hybrid battery.
The IMA light warns of issues affecting hybrid performance, fuel efficiency, and charging.
Water damage in hybrid systems can often go unnoticed until warning lights appear.
Always turn off the high-voltage safety switch and wear protective gloves when working with hybrid components.
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Honda CRZ Auxiliary battery not charging and IMA Integrated Motor Assist light on
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