my Toyota RAV4 is showing a P0700 code, what does that mean?

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.

Tools Required:

• OBD-II scanner
• Socket set
• Torque wrench
• Multimeter

2. Inspect and Replace Transmission Fluid

• Check Fluid Level:
  • With the engine running, remove the dipstick and wipe it clean; reinsert and check the level.
• Fluid Change:
  • If fluid is low or dirty, drain the old fluid and replace it with new fluid specified for the RAV4 (consult the owner's manual for the correct type).
  • Torque the drain plug to manufacturer specifications.

3. Inspect Wiring and Connectors

• Visual Inspection:
  • Check the TCM wiring harness for frayed wires or loose connections.
• Repair/Replace:
  • Repair any damaged wiring or replace faulty connectors as needed.

4. Test and Replace TCM (if necessary)

• Testing:
  • Use a multimeter to check power and ground to the TCM.
• Replacement:
  • If the TCM is faulty, remove it by unscrewing the mounting bolts, disconnecting the wiring harness, and replacing it with a new one. Secure it with the same torque specifications as the original.