AT1–80 AT340E (2JZ–GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING INSPECTION PROCEDURE 1 Check voltage between terminal KD of ECM connector and body ground. ON Check Harness A ECM P 1. Connect the Check Harness A to the ECM (See page EG–404). 2. Turn ignition switch ON. C Measure voltage between terminal KD of ECM connector and body ground when accel. pedal is fully depressed or not. OK Accel. pedal | Voltage Fully depressed (Kick–down SW is ON) | Below 3 V Released (Kick–down SW is OFF) | 9 – 14 V A 3 KD BE6653 AT8770 NG OK Proceed to next circuit inspection shown on matrix chart (See page AT1–58). 2 Check kick–down switch. 2 1 C 1. Disconnect kick–down switch connector (See page AT1–15). 2. Measure voltage between terminals 1 and 2 of kick–down switch connector when kick–down switch is on and off. OK Kick–down switch | Resistance ON | C Ω (continuity) OFF | ∞ Ω (open) AT5524 OK NG Replace kick–down switch. 3 Check harness and connector between ECM and kick–down switch, kick–down switch and body ground (See page IN–30). OK NG Repair or replace harness connector. Check and replace ECM.