IGNA4 - Check For TFI Power

^ Key OFF.

^ Connect Rotunda TFI Diagnostic Cable 007-00097, or equivalent to Rotunda Breakout Box 007-00033, or equivalent. Connect BAT- lead to negative post of battery, and connect TFI module tee to Ignition Control Module and vehicle harness.

^ Do not connect BAT+ lead of TFI Diagnostic Cable to battery.

CAUTION: Do not connect PCM to Breakout Box when it is used with TFI Diagnostic Cable.

^ Make sure PIP OPEN/NORMAL/SPOUT OPEN switch on TFI Diagnostic Cable is in the NORMAL position.

^ Use TFI overlay on Breakout Box.

^ DVOM on DC volt scale.

^ Key ON.

^ Measure voltage between Pin 5 (ICM PWR) and Pin 7 (BAT-) at Breakout Box.

^ Is voltage greater than 10 volts DC?

YES -- GO to IGNA5. IGNA5 - Check For PIP Signal

NO -- Service power open to Ignition Control Module in harness or connector. Remove all test equipment. Reconnect all components. Clear continuous memory. Rerun quick test.