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 MANUALSTOYOTA20034 RUNNER 2WD V6-4.0L (1GR-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESDATA LIST
2003 Toyota 4 Runner 2WD V6-4.0L (1GR-FE)
Data List
2003 Toyota 4 Runner 2WD V6-4.0L (1GR-FE)SECTION Data List
DATA LIST
HINT: According to the DATA LIST displayed by the hand-held tester or the OBD II scan tool, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.
NOTE: The values given for "Normal Condition" are representative values. So, a vehicle may still be normal even if its value differs from those listed here. So, do not solely depend on the "Normal Condition" here when deciding whether a part is faulty or not.
a. Warm up the engine.
b. Turn the ignition switch OFF
c. Connect the hand-held tester or the OBD II scan tool to the DLC3.
d. Turn the ignition switch ON.
e. Push the "ON" button of the hand-held tester or the OBD II scan tool.
f. Select the item "DIAGNOSIS/ENHANCED OBD II/DATA LIST".
g. According to the display on tester, read the "DATA LIST".
HINT: According to the DATA LIST displayed by the hand-held tester or the OBD II scan tool, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.
NOTE: The values given for "Normal Condition" are representative values. So, a vehicle may still be normal even if its value differs from those listed here. So, do not solely depend on the "Normal Condition" here when deciding whether a part is faulty or not.
Part 1:
Part 2:
Part 3:
Part 4:
a. Warm up the engine.
b. Turn the ignition switch OFF
c. Connect the hand-held tester or the OBD II scan tool to the DLC3.
d. Turn the ignition switch ON.
e. Push the "ON" button of the hand-held tester or the OBD II scan tool.
f. Select the item "DIAGNOSIS/ENHANCED OBD II/DATA LIST".
g. According to the display on tester, read the "DATA LIST".
RENDER: 1.0x
NO RELATED
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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.