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DTC P1841 ATF PRESSURE SWITCH 1 AT-221 D E F G H I J K L M A B AT Diagnostic Procedure ECS0088M 1. CHECK INPUT SIGNALS (WITH CONSULT-II) With CONSULT-II 1. Start engine. 2. Select “ECU INPUT SIGNALS” or “MAIN SIGNALS” in “DATA 3. Accelerate vehicle in the “D” position (3rd Þ 4th gear), and con- firm the ON/OFF actuation of the “ATF PRES SW 1”. OK or NG OK >> GO TO 5. NG >> GO TO 3. 2. CHECK INPUT SIGNALS (WITHOUT CONSULT-II) Without CONSULT-II 1. Start engine. 2. Accelerate vehicle in the “D” position (3rd Þ 4th gear). OK or NG OK >> GO TO 5. NG >> GO TO 3. 3. CHECK POWER SOURCE CIRCUIT 1. Turn ignition switch to “OFF” position. 2. Disconnect TCM connector. 3. Check continuity between A/T unit assembly harness connector 4. If OK, check harness for short to ground and short to power. 5. Reinstall any part removed. OK or NG OK >> GO TO 4. NG >> Repair open circuit or short to ground or short to power in harness or connectors. PCIA0067E Solenoid valve Connector No. Terminal No. (Wire color) Voltage Front brake solenoid OFF F104 35 (B/Y) - Ground Battery voltage ON Approx. 0 V PCIA0066E Item Connector No. Terminal No. (Wire color) Continuity TCM F104 35 (B/Y) Yes A/T unit assembly harness F26 3 (B/Y) SCIA3097E |