A13 - Check PIP at ICM

WARNING: Never connect the PCM to the EEC breakout box when performing diagnostics.

^ Key off.

^ Install EI (high data rate) diagnostic harness to the breakout box and to both the ICM and vehicle harness. Do not connect CKP- sensor tee or coil tee.

^ Use EI (High Data Rate) 4 overlay.

^ Connect EI diagnostic harness negative lead to battery, leave positive lead disconnected.

^ Set EI diagnostic harness box type switch to "4/6 cylinder" position.

^ DVOM on 20 volt AC scale.

^ Crank engine and measure voltage between J43 (PIP I) and J7 (B-) at breakout box.

^ Is the settled AC voltage reading greater than 3.5 volts?

YES -- GO to A14. A14 - Check For PIP Continuity to Processor

NO -- GO to A18. A18 - Check PIP at ICM - PIP Fault