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AUTOMATIC TRANSMISSION (AW30-40LE) 7A-65 DTC P0748 (FLASHING CODE 35) PRESSURE CONTROL SOLENOID FAILURE (STH) Step Action Value(s) Yes No 1 1. Turn the ignition "OFF". pin connector terminal (11) and (8). Is the resistance within the specified value? 5-5.6 Ω (at 20°C) Go to Step 2 Go to Step 3 2 1. Connect an ohmmeter between the TCM 20 pin connector terminal (11) and ground 2. Then, connect between the TCM 20 pin connector terminal (11) and ignition terminal 3. Then, connect TCM 20 pin connector terminal (8) and ground terminal (15 or 19), Does display a short circuit? Go to Step 4 The problem is intermittent. Refer to "Diagnostic aids". 3 1. Disconnect the A/T 8 pin connector. connector terminal (2) and (6). Is the resistance within the specified value? 5-5.6 Ω (at 20°C) Go to Step 5 Go to Step 6 4 Repair the short circuit. Go to Step 7 5 Repair the wiring harness for open between TCM Go to Step 7 6 1. Check the wiring harness for open between A/T 8 pin connector and pressure control 2. If OK, replace pressure control solenoid (valve body assembly). Go to Step 7 7 1. After the repair is complete, use the scan tool to select "DTC", then "Clear Info" function 2. Make a road running test for the vehicle. Has the last test failed or is the current DTC Begin the again. Go to Step 1 System OK
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