Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Cylinder Balance Test


Self-Diagnosis Function:





CYLINDER BALANCE TEST
1. Within 2 min. after receiving the Key ON Engine Running diagnostic trouble codes, depress the accelerator pedal and release it.
2. Note any diagnostic trouble code numbers and refer to the chart for the weak cylinder.

NOTE: If the accelerator cable is moved during the Cylinder Balance Test, diagnostic trouble code 538 will appear, indicating the test was not completed. Diagnostic trouble code 538 could also appear if diagnostic trouble code 214 is present. Refer to the appropriate inspection chart.