TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.077

ATTE/A340 Automatic Trans (GTE) — Check harness and connector between battery and No.4 solenoid valve, No.4 solenoid valve and ECM, page 78

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p.079
Check harness and connector between battery and No.4 solenoid valve, No.4 solenoid valve and ECM — MK4 Supra A340 Automatic Trans (GTE), page 78
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Page text (OCR transcript)
AT2–78
A340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING

2  Check harness and connector between battery and No.4 solenoid valve,
   No.4 solenoid valve and ECM (See page IN–30).

OK                          NG    Repair or replace harness or connector.

Proceed to next circuit inspection shown on matrix
chart (See page AT2–64). However, when diagnos-
tic trouble code 46 is displayed, check and replace
ECM.