P1361

Description
IGNITION CONTROL (IC) CIRCUIT NOT TOGGLING

Ignition Control Module (ICM) sends signals that PCM requires
for fuel control and spark advance calculations. At start of engine
crank, ICM controls spark advance (by-pass mode). When second 3X
signal is recognized by PCM, it applies 5 volts to by-pass circuit,
commanding ICM to switch Ignition Control (IC) of spark advance to PCM
(IC mode). A short in IC circuit, or an open or short ground in bypass
circuit will set DTC 1361.

Symptoms
You likely won't notice any drivability problems.

Causes

• PCM monitors IC pulses during crank while by-pass mode spark
  advance is commanded.

Solutions

• Possible short in IC circuit.
• Check for faulty connections or damaged harness to ICM
• Replace ICM