TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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ATTE/A340 Automatic Trans (GTE)84 / 118
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INSPECTION PROCEDURE — MK4 Supra A340 Automatic Trans (GTE), page 84
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AT2–84 A340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING INSPECTION PROCEDURE 1 Check No.1 No.2 solenoid valves. Electrical Check P 1. Jack up the vehicle. 2. Remove the oil pan. 3. Disconnect the solenoid connector. C Measure resistance between the solenoid connector and solenoid body. OK Resistance: 10 — 16 . C Connect positive × lead to terminal of solenoid connector, negative ⊕ lead to solenoid body. OK The solenoid makes an operating noise. Mechanical Check P 1. Remove the oil pan. 2. Remove the No.1 and No.2 solenoid valves. C 1. Applying 490 kPa (5 kgf/cm², 71 psi) of compressed air, check that the solenoid valves do not leak air. 2. When battery positive voltage is supplied to the solenoid valves, check that the solenoid valves open. AT5530 AT5531 AT5628 Air Battery OK NG Replace solenoid valve. 2 Check harness and connector between ECM and solenoid (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 diagnostic trouble code 62 or 63 is displayed, check and replace ECM.