INSPECTION OF ELECTRIC CONTROL COMPONENTS 1. INSPECT VOLTAGE OF ECT COMPUTER CONNECTOR (a) Remove the glove box. (b) Turn on the ignition switch. (c) Measure the voltage at each terminal. Terminal | Measuring condition | Voltage (V) | | DENSO type computer | AISIN type computer L1 — GND | Throttle valve fully closed | 5 | 12 | Throttle valve fully closed to fully open | 5 to 0 | 12 to 0 | Throttle valve fully open | 0 | 0 L2 — GND | Throttle valve fully closed | 5 | 12 | Throttle valve fully closed to fully open | 5 to 0 to 5 | 12 to 0 to 12 | Throttle valve fully open | 5 | 12 L3 — GND | Throttle valve fully closed | 5 | 12 | Throttle valve fully closed to fully open | 5 to 0 to 5 to 0 to 5 | 12 to 0 to 12 to 0 to 12 | Throttle valve fully open | 5 | 12 IDL — GND | Throttle valve fully closed | 0 | — | Throttle valve opening above 1.5° | 12 | — SP1 — GND | Standing still | 5 or 0 | 12 or 0 | Engine running, vehicle moving | 2.5 | 6 BR — GND | When brake pedal is depressed | 12 | — | When brake pedal is not depressed | 0 | — 2 — GND | 2 range | 9 to 16 | — | Except 2 range | 0 to 2 | — L — GND | L range | 9 to 16 | — | Except L range | 0 to 2 | — S1 — GND | — | 12 | — S2, S3 — GND | — | 0 | — OD1 — GND | Coolant temp. below 65°C (149°F) | 0 | — | Coolant temp. above 75°C (167°F) | 5 | 12 OD2 — GND | OD main switch turn ON | 5 | 12 | OD main switch turn OFF | 0 | — IG — GND | Standing still | 12 | — SP2 — GND | Standing still | 5 or 0 | — | Engine running | 4 | — PWR — GND | PWR pattern | 12 | — | Except PWR pattern | 0 to 2 | — +B — GND | — | 12 | —