EG–507 ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING 5 Check idle speed. IG⊖ Tachometer DLC1 P11291 P (1) Shift transmission into "N" position. (2) Warm up engine to normal operating temperature. (3) Switch OFF all accessories. (4) Switch OFF air conditioning. (5) Connect tachometer test probe to terminal IG⊖ of data link connector 1. C Check Idle speed. OK Idle speed: 650 ± 50 rpm Caution • Never allow tachometer test probe to touch ground as it could result in damage to igniter and/or ignition coil. • As some tachometers are not compatible with this ignition system, we recommended that you confirm the compatibility of your unit before use. OK NG Proceed to matrix chart of problem symptoms on page EG–514. 6 Check ignition timing. SST TE1 E1 DLC1 P11288 P11833 P (1) Shift transmission into "N" position. (2) Warm up engine to normal operating temperature. (3) Keep the engine speed at idle. (4) Using SST, connect terminals TE1 and E1 of data link connector 1. SST 09843–18020 (5) Connect a timing light clip to the check wire. (See page EG–20) C Check ignition timing. OK Ignition timing: 10 ± 2° BTDC @ idle OK NG Proceed to page EG–518 and continue to troubleshoot. Proceed to matrix chart of problem symptoms on page EG–514.