EG–558 ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING INSPECTION PROCEDURE 1 Check voltage between terminal SP1 of engine control module connector and body ground. ON SST ECM (A) 2 SP1 8E8653 FI8504 AT7809 P (1) Shift the shift lever to N position. (2) Jack up one of the rear wheels. (3) Connect SST (check harness "A"). (See page EG–510) (4) Disconnect power steering ECU connector and cruise control ECU connector. (5) Turn ignition switch ON. C Measure voltage between terminal SP1 of engine control module connector and body ground when the wheel is turned slowly. OK Voltage is generated intermittently. 4 ~ 6 V 0 Turn the wheel NG OK Check and replace engine control module. 2 Check operation of odometer and trip meter (telltale light RH (See page Be–48)). NG OK Repair or replace harness or connector between ECM and telltale light RH. 3 Check operation of No.1 vehicle speed sensor (See page BE–46). NG OK Repair or replace harness or connector between telltale light RH and No.1 vehicle speed sensor. Replace No.1 vehicle speed sensor.