how to fix P0700 code in Toyota RAV4 XA40 (2013-2018)?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Allow the engine to cool before working on the transmission.

2. Inspect and Replace Transmission Fluid (if necessary)

• Tools Required: Socket set, fluid pump, transmission fluid (Toyota WS type).
• Remove the transmission drain plug using a socket wrench.
• Drain the old transmission fluid into a container.
• Inspect the fluid for contaminants; if it is dirty or burnt, proceed to replace it.
• Replace the drain plug and refill with new transmission fluid using a fluid pump until the appropriate level is reached as specified in the owner's manual.

3. Check and Repair Wiring/Connectors

• Tools Required: Multimeter, wire strippers, soldering kit or electrical connectors.
• Inspect the wiring harness connected to the TCM for any signs of wear, fraying, or corrosion.
• Use a multimeter to check for continuity and proper voltage at the connectors.
• Repair or replace any damaged wiring or connectors as necessary.

4. Replace TCM (if required)

• Tools Required: Socket set, screwdriver set, new TCM.
• Locate the TCM (typically found in the engine bay or under the dashboard).
• Disconnect the wiring harness from the TCM.
• Remove the mounting screws and take out the old TCM.
• Install the new TCM by reversing the removal process.
• Reconnect the wiring harness ensuring a secure fit.