Code No.P0882: Power supply system OPERATION DIAGNOSIS CODE SET CONDITION PROBABLE CAUSES
Malfunction of A/T control relay
Damaged harness wires and connectors
Malfunction of the A/T-ECU
STEP 1. Connector check: D-110 A/T control relay connector
Check for the contact with terminals.
Q.
Is the check result normal?
STEP 2. Check the A/T control relay
Refer to
Q.
Is the check result normal?
STEP 3. Measure the voltage at A/T control relay connector D-110.
Disconnect the connector, and measure the voltage between terminal No.1 and earth at the harness side.
Q.
Is the check result normal?
STEP 4. Connector check: A-03 <LHD> or D-137 <RHD> intermediate connector, D-113 J/C (6) connector
Check for the contact with terminals.
Q.
Is the check result normal?
STEP 5. Check the harness between A/T control relay connector D-110 terminal No.1 and battery.
Check the power supply line for damage, short and open circuit.
Q.
Is the check result normal?
STEP 6. Check whether the diagnosis code is reset.
Check again if the diagnosis code is set.
Q.
Is diagnosis code No.P0882 set?
STEP 7. Measure the voltage at the A/T control relay connector D-110.
(1)Disconnect the connector, and measure the voltage between terminal No.4 and earth at the harness side.
(2)Turn the ignition switch to the ON position.OK: System voltage
Q.
Is the check result normal?
STEP 8. Connectors check: D-229 intermediate connector, D-401, D-403 J/B connector
Check for the contact with terminals.
Q.
Is the check result normal?
STEP 9. Check the wiring harness between A/T control relay connector D-110 terminal No.4 and J/B connector D-401 terminal No.12.
Check the power supply line for damage, short and open circuit.
Q.
Is the check result normal?
STEP 10. Measure the resistance at A/T control relay connector D-110.
Disconnect the connector, and measure the resistance between terminal No.2 and earth at the harness side.
Q.
Is the check result normal?
STEP 11. Connectors check: D-111 J/C (5), D-14 earth connector
Check for the contact with terminals.
Q.
Is the check result normal?
STEP 12. Check the harness between A/T control relay connector D-110 terminal No.2 and earth.
Check the earth line for damage and open circuit.
Q.
Is the check result normal?
STEP 13. Connector check: D-140 A/T-ECU connector
Check for the contact with terminals.
Q.
Is the check result normal?
STEP 14. Measure the resistance at A/T-ECU connector D-140.
Disconnect the connector, and measure the resistance between terminal No.6, No.18 and earth at the harness side.
Q.
Is the check result normal?
STEP 15. Connectors check: D-111 J/C (5), D-14 earth connector
Check for the contact with terminals.
Q.
Is the check result normal?
STEP 16. Check the harness between A/T-ECU connector D-140 terminal No.6, No.18 and earth.
Check the earth line for damage and open circuit.
Q.
Is the check result normal?
STEP 17. Measure the voltage at the A/T-ECU connector D-140.
(1)Measure the voltage between terminal No.1 and earth at the ECU side.
(2)Turn the ignition switch to the ON position.OK: System voltage
Q.
Is the check result normal?
STEP 18. Check the harness between A/T control relay connector D-110 terminal No.3 and A/T-ECU connector D-140 terminal No.1.
Check the power supply line for damage, short and open circuit.
Q.
Is the check result normal?
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Go to Step 2.
Replace the A/T control relay.
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