C1643 DTC For Mazda 787

Mazda 787 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :V-Type Engine
Engine Air Intake Process :Naturally Aspirated

Your Mazda 787 engine control system detects a problem, the computer stores the diagnostic trouble code C1643 in its memory. To figure out what is wrong with your vehicle you must first extract the C1643 DTC For Mazda 787.

On 1999 and later C1643 Mazda 787 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

C1643 Mazda 787 DTC Meaning

C Chassis Code - Problem is controller area network wiring bus and modules.
1 MFG - Manufacturer Specific
6 Vehicle Speed Control And Idle Control System
4 Control Module Throttle Actuator Position Performance
3 TFP Valve Position Switch-Drive Without Drive Ratio

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. C1643 Mazda 787 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.

C1642 DTC (Previous DTC Code) ( Next DTC Code ) C1644 DTC
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