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

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X157 - Check Fuel Pump Relay Coil Resistance



- Key Off.

- Disconnect CCRM.

- Measure resistance of CCRM between Pin 18 and Pin 24.

- Is resistance between 65 and 120 ohms?

YES -- GO to X158. X158 - Check FP Circuit Continuity

NO -- REPLACE CCRM. RE-EVALUATE symptom.