23. DTC: P0481, A/C Condenser Cooling Fan B Relay Control Circuit Trouble (see Table 1-36) Table 1-36 24. DTC: P0500, Vehicle Speed Signal Abnormal (see Table 1-37) Table 1-37 59 S/N Operation Test Results Actions 1 Connect the diagnostic instrument and adapter, and turn the ignition switch to OFF. Next step 2 Disconnect A/C condenser cooling fan relay, and turn the ignition switch to ON. Check the voltage between the pin 30#, 85# of the relay (power supply end) and the power supply negative pole. Is the voltage about 12V? Yes Go to step 4 No Next step 3 Check for open circuit or short to ground at the power supply end of the A/C condenser cooling fan relay.
Yes Repair or replace harness No Go to step 2 4 Check the voltage between the pin 86# of the relay (control end) and the power supply negative pole. Is the voltage between 3.7V? Yes Replace relay No Next step 5 Check for open circuit or short to power supply or ground between the pin 86# of relay control end and the pin 68# of the ECU. Yes Repair or replace harness No Diagnosis help S/N Operation Test Results Actions 1 Connect the diagnostic instrument and adapter, and turn the ignition switch to OFF. Next step 2 If equipped with ABS system, please check the system for DTC. Yes Check ABS system No Next step 3 Check the speedometer hand for normal operation.
Yes Next step No Check instrument line 4 Check the vehicle speed sensor for normal operation. Yes Next step No Replace vehicle speed sensor 5 Check for open circuit or short to power supply or ground between the vehicle speed sensor signal line and the pin 59# of the ECU. Yes Repair or replace harness No Diagnosis help