TSRM/MK4 Supra/Repair Manual
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ATGE/A340 Automatic Trans (GE) — Inspection Procedure, page 80

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Inspection Procedure — MK4 Supra A340 Automatic Trans (GE), page 80
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Page text (OCR transcript)
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.