Code 54 and/or 74
Go to Chart A12 If no trouble is found while performing tests on Chart A12, do not go to chart F Instead go to Chart G Solenoid Valves. Perform solenoid valve test for rear valves. If no trouble is found, replace ECBM.
Go to Chart A12 If no trouble is found while performing tests on Chart A12, do not go to chart F Instead go to Chart G Solenoid Valves. Perform solenoid valve test for rear valves. If no trouble is found, replace ECBM.