Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2006SIENNA AWD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - BODY AND FRAMEPOWER MIRROR CONTROL MODULETESTING AND INSPECTION
2006 Toyota Sienna AWD V6-3.3L (3MZ-FE)
Power Mirror Control Module: Testing and Inspection
2006 Toyota Sienna AWD V6-3.3L (3MZ-FE)SECTION Testing and Inspection
TERMINALS OF ECU
1. CHECK OUTER MIRROR CONTROL ECU LH
a. Disconnect the O9 and O10 connectors.
b. Measure the voltage and resistance according to the value(s) in the given table.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the O9 and O10 connectors.
d. Measure the voltage according to the value(s) in the given table.
If the result is not as specified, there may be a malfunction on the ECU side.
2. CHECK OUTER MIRROR CONTROL ECU RH
a. Disconnect the O11 and O12 connectors.
b. Measure the voltage and resistance according to the value(s) in the given table.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the O11 and O12 connectors.
d. Measure the voltage according to the value(s) in the given table.
If the result is not as specified, there may be a malfunction on the ECU side.
1. CHECK OUTER MIRROR CONTROL ECU LH
a. Disconnect the O9 and O10 connectors.
b. Measure the voltage and resistance according to the value(s) in the given table.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the O9 and O10 connectors.
d. Measure the voltage according to the value(s) in the given table.
If the result is not as specified, there may be a malfunction on the ECU side.
2. CHECK OUTER MIRROR CONTROL ECU RH
a. Disconnect the O11 and O12 connectors.
b. Measure the voltage and resistance according to the value(s) in the given table.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the O11 and O12 connectors.
d. Measure the voltage according to the value(s) in the given table.
If the result is not as specified, there may be a malfunction on the ECU side.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.