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 MANUALSTOYOTA20074 RUNNER 2WD V6-4.0L (1GR-FE)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSDTC 01-DDNAVIGATION SYSTEM
2007 Toyota 4 Runner 2WD V6-4.0L (1GR-FE)
Navigation System
2007 Toyota 4 Runner 2WD V6-4.0L (1GR-FE)SECTION Navigation System
DTC 01-DD Master Reset
DTC 01-E1 Voice Processing Device ON Error
DESCRIPTION
NOTE:
- Before starting troubleshooting, be sure to clear DTCs to erase codes stored due to the reasons described in the HINT given. Then, check for DTCs and troubleshoot according to the output DTCs.
- The radio and navigation assembly is the master unit.
- Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.
INSPECTION PROCEDURE
NOTE: Be sure to read DESCRIPTION before performing the given procedures.
DTC 01-E1 Voice Processing Device ON Error
DESCRIPTION
DTC Detection Condition:
NOTE:
- Before starting troubleshooting, be sure to clear DTCs to erase codes stored due to the reasons described in the HINT given. Then, check for DTCs and troubleshoot according to the output DTCs.
- The radio and navigation assembly is the master unit.
- Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.
Step 1:
Step 2:
Step 3-4:
Step 4 (Continued)-5:
INSPECTION PROCEDURE
NOTE: Be sure to read DESCRIPTION before performing the given procedures.
RENDER: 1.0x
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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.