Conditions for Running the DTC

Rich Test Enable:

• DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0117, P0118, P0120, P0121, P0201, P0202, P0203, P0204, P0442, P0446, P0452, P0453, P0455, P0496, P1516, P2101, P2135, or P2176 are not set.
• The Loop Status parameter is closed.
• The Ignition 1 Signal parameter is between 11-18 volts.
• The Fuel Level Sensor parameter is more than 10 percent.
• The TP Sensor parameter is between 0-50 percent.
• DTC P0138 runs the rich test continuously, when the above conditions are met for 2 seconds.

OR

Decel Fuel Cutoff Test Enable:

• DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0117, P0118, P0120, P0121, P0201, P0202, P0203, P0204, P0442, P0446, P0452, P0453, P0455, P0496, P1516, P2101, P2135, or P2176 are not set.
• The Loop Status parameter is closed.
• The Ignition 1 Signal parameter is between 11-18 volts.
• The Fuel Level Sensor parameter is more than 10 percent.
• The engine run time is more than 200 seconds.
• The Decel. Fuel Cutoff is active.
• DTC P0138 runs the decel. fuel cutoff test during each occurrence of the decel. fuel cutoff, when the above conditions are met for 2 seconds.