EG–436 ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING WIRING DIAGRAM Engine Control Module B+ 3 B-R 20 B-R 4 B-R EA3 J2K C1 B-R GR GR 24 M-REL E10 2 2 R-L 9 14 30 5 1 1C K R-L JJ2 R-L OX3 EFI Main Relay 8 E10 2 B-R E1 R/B 3 No.2 3 2 Sub Heated R-B-Y 2 2 Oxygen Sensor 1 2 R/B 4 BR-W 5 36 No.2 12 BR-W JJ2 HT3 EFI No.1 1C K E10 W-B BR-W BR 12A C18 B BR Battery JJ1 18 BR E01 FI6940 INSPECTION PROCEDURE HINT: When other codes are output in addition to 27 at the same time, check the circuits for other codes first. 1 Check voltage between terminal HT3 of engine control module connector and body ground. ON SST ECM P (1) Connect SST (check harness "A"). (See page EG–404) SST 09990–01000 (2) Turn ignition switch ON. C Measure voltage between terminal HT3 of engine control module connector and body ground. OK Voltage: 9 — 14 V A 36 HT3 BE6653 FI6891 NG OK Go to step 4 .