EG–462 ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING 2 Check throttle position sensor. 1 (E2) 2 (IDL1) P (1) Disconnect throttle position sensor connector. (2) Disconnect the vacuum hose from the throttle body. than apply vacuum to the throttle opener (See page EG–219). C Measure resistance between terminals 2 (IDL1) and 1 (E2) of throttle position sensor connector. OK Throttle Valve Resistance Fully closed Less than 0.5 kΩ Opened 1 MΩ or higher OK NG Adjust or replace throttle position sensor. (See page EG–223) Check and repair harmless or connector between en- gine control module and throttle position sensor. 3 Check voltage between terminal A/C of engine control module connector and body ground. SST ECM A) 34 A/C P (1) Connect SST (check harness "A"). (See page EG–404) SST 09990–01000 (2) Start the engine. C Measure voltage between terminal A/C of engine control module and body ground. OK A/C Switch Voltage OFF 7.5 – 14 V ON 0 – 1.5 V OK NG Check A/C compressor circuit. (See page AC–62) Check and replace engine control module.