× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Could Bad Battery Cause Weird Trace On Relative Compression Test
Posted to Technical Theory Forum on 11/11/2019

[...trimmed text...]

[2005 Nissan X-Trail LE, BATT/Charging/Starting Waveform]

In the blue CH A, the battery voltage drops to 4.5v cranking

The red CH B is the alternator case ground voltage drop to battery negative, ... Login to read more.

Files Referenced:

thumbnail
 

car Vehicle Data

2005 Nissan X-Trail LE 2.5L

Engine2.5 L

car Vehicle Data

2005 Nissan X-Trail LE 2.5L

Engine2.5 L