EG-501 ENGINE – 2JZ-GTE ENGINE TROUBLESHOOTING Trouble Area | Malfunction Indicator Lamp*1 | Memory*2 | See page | Normal Mode | Test Mode | | • Open or short in throttle position sensor circuit • Throttle position sensor • ECM ON | ON | ○ | EG-552 • No.1 vehicle speed sensor • Telltale light RH • Open or short in No.1 vehicle speed sensor circuit • ECM OFF | OFF | ○ | EG-556 • Open or short in starter signal circuit • Open or short in ignition switch or starter relay circuit • ECM N.A | OFF | X | EG-559 • Open or short sub-throttle position sensor circuit • Sub-throttle position sensor • ECM OFF | ON | ○ | EG-552 • Open or short in No.1 knock sensor circuit • No.1 Knock sensor (loosensess) • ECM ON | N.A | ○ | EG-561 • ECM ON | N.A | X | EG-561 • Open or short in No.2 knock sensor circuit • No.2 Knock sensor (looseness) • ECM ON | N.A | ○ | EG-561 *1, 2: See page EG-502.