|
|
M.U.T.-III tool display Item Inspection item Inspection requirement Normal condition Vehicle 4 Vehicle speed signal Road test the vehicle The speedometer scan tool MB991958 display ECM TERMINAL VOLTAGE REFERENCE CHART FOR AUTO-CRUISE CONTROL SYSTEM OPERATION M11702000903USA0000010000 1. Disconnect all ECM connectors, and connect 2. Measure the voltages between the check connector ZC6022260000 Special tool - Power plant ECU check harness (MB992110) connector: Component side 48-Pin connector 64-Pin connector Terminal Check item Check condition Normal condition 10 Throttle position sensor (main) ⦆ Remove the intake air hose ⦆ Disconnect the throttle ⦆ Ignition switch: "ON" Fully close the valve with your finger 0.3 - 0.7 V Fully open the valve with your finger 4.0 V or more 11 Throttle position sensor (sub) ⦆ Remove the intake air hose ⦆ Disconnect the throttle ⦆ Ignition switch: "ON" Fully close the valve with your finger 2.2 - 2.8 V Fully open the valve with your finger 4.0 V or more 12 Power supply voltage Ignition switch: "ON" 4.9 - 5.1 V AUTO-CRUISE CONTROL SYSTEM 17b-49 AUTO-CRUISE CONTROL SYSTEM DIAGNOSIS |