X93 - Check B+ Supply to High Speed Fuel Pump Relay
- Key "OFF".
- Disconnect Constant Control Relay Module (CCRM).
- Measure voltage between Pin 12 at the CCRM vehicle harness connector and battery negative post.
- Is voltage greater than 10.5 volts?
Yes -- Go to X94. X94 - Check Power Pump Continuity Between CCRM and IFS Switch
No -- Service open in B(+) circuit between CCRM and B(+) splice to the High Speed and Low Speed Fuel Pump relays. Reconnect CCRM. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)