Electrical Troubleshooting
Contents
1. ECK CONNECTOR Connect with jumper wire Problem codes 1 through 9 are indicated by individual short blinks Problem codes 10 through 15 are indicated by a series of long and short blinks One long blink equals 10 short blinks Add the long and short blinks together to determine the problem code After determining the problem code refer to the electrical system Symptom to Component Chart on page 14 36 short Mo oS STO SO SO o See Problem CODE 1 26 eee ae S E es eset nr long short Some PGM FI problems will also make the indicator light come on After repairing the PGM FI system disconnect the Back Up fuse 7 5 A in the under hood fuse relay box for more than 10 seconds to reset the A T control unit memory NOTE Disconnecting the Back up fuse also cancels the radio preset stations and the clock setting Make note of the radio presets before removing the fuse so you can reset them 9 52 A T CONTROL UNIT TEST HARNESS O7LAJ PT30100 or O7LAJ PT3010A Al A3 AS A7 AS A11A13A15A17 A19A21 A23 A25 01 D3 OS D7 D9 D11D13015D17019 D21 oooo0oo0o0000000 OF ooo0oo0oo0oo000000 OO000000000 O OK COO000000000 A2 A4 A6 A8 A10A12A14A416 A18A20A22A24 A26 D2 D4 DE D8 010012014 D16D18D020 D22 Terminal Locations NOTE Only the A and D sections of the ECU test harness are used for A T troubleshooting Unless otherwise noted use only the Digital Multimeter for testing 9 532. Electrical Troubleshooting Troubleshooting Procedures Except KB other When the A T control unit senses an abnormality in the input or output systems the S indicator light in the gauge assembly will blink However when the Service Check Connector located to the lower right LHD or left RHD of the glove compartment is shorted with a jumper wire the S5 indicator light will also blink the problem code when the igni tion switch is turned on When the S indicator light has been reported on connect the two terminals of the Service Check Connector together with a jumper wire Then turn on the ignition switch and observe either the indicator light LHD RHD SERVICE CHECK A T CONTROL UNIT CONNECTOR Connect with jumper wire A T CONTROL UNIT S INDICATOR LIGHT 9 50 Problem codes 1 through 9 are indicated by individual short blinks Problem codes 10 through 15 are indicated by a series of long and short blinks One long blink equals 10 short blinks Add the long and short blinks together to determine the problem code After determining the problem code refer to the electrical system Symptom to Component Chart short a eee eee cee See Problem CODE 1 dU ON OS F i S See Problem CODE 2 te T mAn See Problem CODE 14 long short Some PGM FI problems will aslo make the S indicator light come on After repairing the PGM FI system disconnect the Back Up fuse 7 5 A in the under hood relay bo
3. x for more than 10 seconds to reset the A T control unit memory NOTE Disconnecting the Back up fuse also cancels the radio preset stations and the clock setting Make note of the radio presets before removing the fuse so you can reset them A T CONTROL UNIT ae ECU TEST HARNESS O7LAJ PT30100 or O7LAJ PT3010A Al A3 A5 A7 A9 A11A13A15 A17 A19A21 A23 A25 01 D3 D5 D7 D9 D11D13D15017D19 D21 0200000000000 0f ooo0oo0o0000000 0900000000000 o BOOCOO00000000 A2 A4 A6 AB A10A12A14A16A18A20A22A24 A26 D2 D4 DE D8 D10012D14 D16D18020 D22 Terminal Locations NOTE Only the A and D sections of the ECU test harness are used for A T troubleshooting Unless otherwise noted use only the Digital Multimeter for testing 9 51 Electrical Troubleshooting Troubleshooting Procedures KB other When the A T control unit senses an abnormality in the input or output systems the indicator light in the gauge assembly will blink However when the Service Check Connector located to the lower right of the glove compartment is connected with a jumper wire the indicator light will blink the problem code when the ignition switch is turned on When the indicator light has been reported on connect the two terminals of the Service Check Connector together with a jumper wire Then turn on the ignition switch and observe either the indicator light INDICATOR LIGHT A T CONTROL PGM FI ECU UNIT SERVICE CH
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