AUTOMATIC TRANSMISSION — Electric Control AT-13 Trouble No. 2 No shifting Warm up engine Coolant temp: 80°C (176°F) ATF temp: 50 ~ 80°C (122 ~ 176°F) Output diagnostic code Diagnosis code ——> Proceed to trouble No. 1 (AT-12) (See page AT-8) | No indicate | Connect a voltmeter to the DG terminal and body. Does DG terminal voltage vary with changes in throttle opening? | Yes No | | | Is voltage between ECT ECU terminals No ——> Brake signal | BR and GND as follows? faulty | OV: Brake pedal released | 12V: Brake pedal depressed | | | Yes | | | • Computer power source and earth faulty | • Throttle position signal faulty | • DG terminal wire open or short | | Disconnect ECT ECU connector and road test. No Does the transmission operate in the respective ———————————————> Transmission faulty gear when in the following ranges while driving? D range ...... Overdrive 2 range ...... 3rd gear L range ...... 1st gear | Yes | Continued on page AT-14