|
|
6E-138 Engine Control System (4HK1) P0203 (Flash Code 273) Circuit Description Condition for Running the DTC • DTCs P0202, P0612 and P1262 are not set. Condition for Setting the DTC • The ECM detects that the cylinder number 3 fuel injector solenoid coil control circuit is open circuit, Action Taken When the DTC Sets • The ECM illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails. Condition for Clearing the MIL / DTC • The ECM turns OFF the MIL when the key is cycled after a current DTC clears. • A current DTC clears when the diagnostic runs and does not fail at next driving cycle. • A history DTC clears after 20 consecutive driving cycles without a fault. Or clear with the Tech 2 or Diagnostic Aid • If an intermittent condition is suspected, refer to Intermittent Conditions in this section. DTC P0203 (Flash Code 273) Step Action Value(s) Yes No 1 Did you perform the Diagnostic System Check – — Go to Step 2 Go to Diagnostic System Check – Engine Controls 2 1. Install the Tech 2. 2. Turn OFF the ignition for 30 seconds. 3. Start the engine. 4. Monitor the Diagnostic Trouble Code (DTC) Does the DTC fail this ignition? — Go to Step 3 Go to Diagnostic Aids 3 1. Turn OFF the ignition. 2. Disconnect the in-line harness connector (H- 3. Connect a DMM between the common 2 fuel 4. Turn ON the ignition, with the engine OFF. Is the DMM voltage less than the specified value? 1.0 volt Go to Step 4 Go to Step 9 4 Connect a DMM between the cylinder number 3 Is the DMM voltage less than the specified value? 16.0 volts Go to Step 5 Go to Step 10 5 Is the DMM voltage more than the specified value 12.0 volts Go to Step 6 Go to Step 11 |