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.
Data List / Active Test
- USING INTELLIGENT TESTER
- Connect the intelligent tester to the DLC3.
- Monitor the ECU data by following the prompts on the tester screen.
HINT:
The intelligent tester has a "Snapshot" function which records the monitored data. Refer to the intelligent tester operator's manual for further details.
- DATA LIST
HINT:
Using the DATA LIST displayed on the intelligent tester, the value of the switches, sensors, actuators, etc. can be read without part removal. Reading the DATA LIST as the first step in troubleshooting is one way to shorten the labor time.
- Connect the intelligent tester to the DLC3.
- Turn the engine switch on (IG).
- Read the DATA LIST according to the display on the tester.
MASTER SW:
DIAGNOSTIC NOTE CHARTTester Display Measurement Item/Range Normal Condition Diagnostic Note D P/W AUTO SW Driver door power window auto switch signal/ON or OFF ON: Driver door power window auto switch operates
OFF: Driver door power window auto switch does not operate- P P/W AUTO SW Front passenger door remote power window auto switch signal/ ON or OFF ON: Front passenger door remote power window auto switch operates
OFF: Front passenger door remote power window auto switch does not operate- RR P/W AUTO SW Rear RH door remote power window auto switch signal/ON or OFF ON: Rear RH door remote power window auto switch operates
OFF: Rear RH door remote power window auto switch does not operate- RL P/W AUTO SW Rear LH door remote power window auto switch signal/ON or OFF ON: Rear LH door remote power window auto switch operates
OFF: Rear LH door remote power window auto switch does not operate- P P/W UP SW Front passenger door remote power window manual up switch signal/ON or OFF ON: Front passenger door remote power window manual up switch operates
OFF: Front passenger door remote power window manual up switch does not operate- RR P/W UP SW Rear RH door remote power window manual up switch signal/ ON or OFF ON: Rear RH door remote power window manual up switch operates
OFF: Rear RH door remote power window manual up switch does not operate- RL P/W UP SW Rear LH door remote power window manual up switch signal/ ON or OFF ON: Rear LH door remote power window manual up switch operates
OFF: Rear LH door remote power window manual up switch does not operate- P P/W DOWN SW Front passenger door remote power window manual down switch signal/ON or OFF ON: Front passenger door remote power window manual down switch operates
OFF: Front passenger door remote power window manual down switch does not operate- RR P/W DOWN SW Rear RH door remote power window manual down switch signal/ON or OFF ON: Rear RH door remote power window manual down switch operates
OFF: Rear RH door remote power window manual down switch does not operate- RL P/W DOWN SW Rear LH door remote power window manual down switch signal/ON or OFF ON: Rear LH door remote power window manual down switch operates
OFF: Rear LH door remote power window manual down switch does not operate- Body:
DIAGNOSTIC NOTE CHARTTester Display Measurement Item/Range Normal Condition Diagnostic Note COM MASTER SW Master switch communication signal OK/STOP OK: Communication is normal
STOP: Communication is stopped-
- ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the intelligent tester allows you to operate the relay, VSV, actuator, etc. without parts removal. Performing the ACTIVE TEST as the first step in troubleshooting is one way to shorten the labor time. It is possible to display the DATA LIST during the ACTIVE TEST.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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