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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Intelligent Cruise Control System (ICC) (Exc Hybrid) >> DTC/Circuit Diagnosis >> DTC C1A21: Unit High Temp >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK ENGINE COOLING SYSTEM

    Check for any malfunctions in engine cooling system.

    Is engine cooling system normal?

    YES 

    Replace the ICC sensor. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair engine cooling system.

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