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q A CHECK CONTROL FUNCTION. With CONSULT-II 1. Turn ignition switch to “ON” position. throttle control solenoid valve to “ON” Without CONSULT-II 1. Check voltage between ECM connector terminals 208 , 210 and engine ground with tester under the following At idle: Approximately 0.4V Engine speed is more than 3,000 Battery voltage 2. Check voltage between ECM connector terminal q 1 and engine ground with tester under the following conditions. At idle: Approximately 0.4V Engine speed is more than 2,400 Battery voltage NG E OK CHECK VACUUM HOSE. CHECK POWER SUPPLY-I. B harness connector. 3. Turn ignition switch to “ON” position. valve A and B terminals q 2 and engine ground with CONSULT-II or tester. OK E NG Check the following: I 20A fuse I Condition and operation I Harness connectors M787 , F66 (LHD mod- els) I Harness connectors F100 , M775 (RHD mod- els) I ECM relay I Harness for open or If NG, replace fuse or q B MEC953D SEF816F YEC247A H H H DTC P1404 EGR SOL/V A, DTC P1405 EGR SOL/V B/P1407 THROTTLE SOLENOID VALVE TD27Ti Diagnostic Procedure (Cont’d) EC-437 |