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TROUBLESHOOTING POWER STEERING 37-15 STEP 9. Check the 3-V power supply for open AC314189AD Connector: B-37-1 Harness side Measure the voltage between the 3-V power supply • Ignition switch: ON (start the engine) • AC400130 Harness side AB Measure the voltage between the 3-V power supply (connector B-37-1 terminal 18) and the body OK: 2.88 − 3.12 V Q: Is the check result normal? YES : Go to Step 10. NO : Replace the electric power steering-ECU ). STEP 10. Check the 8-V power supply for open AC314189AD Connector: B-37-1 Harness side Measure the 8-V power supply voltage between • Ignition switch: ON • AC400131 Harness side AB Measure the voltage between the 8-V power supply (connector B-37-1 terminal 14) and the body OK: 7.5 − 8.5 V Q: Is the check result normal? YES : Go to Step 11. NO : Replace the electric power steering-ECU ). Main Index Group TOC |