Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Back-up power source circuit

Description

This is the back-up power source circuit for the air conditioning amplifier. Power is supplied even when the ignition switch is turned off and is used for functions such as the diagnostic trouble code memory.

wiring diagram

Toyota RAV4. Back-up power source circuit


Inspection procedure

  1. Inspect fuse (ecu-b2)

  1. Remove the ecu-b2 fuse from the engine room no. 2 Relay block.
  2. Measure the resistance of the fuse.

Standard resistance: below 1




  1. Check wire harness (air conditioning amplifier - battery)

Toyota RAV4. Check wire harness (air conditioning amplifier - battery)


  1. Disconnect the e37 amplifier connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage




  1. Check wire harness (air conditioning amplifier - body ground)

Toyota RAV4. Check wire harness (air conditioning amplifier - body ground)


  1. Disconnect the e37 amplifier connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance




Proceed to next circuit inspection shown in problem symptoms table

Ig power source circuit
Description This is the main power source supplied to the air conditioning amplifier when the ignition switch is on (ig). This power source is used for operating components, such as the air cond ...

Air conditioning system (for manual air conditioning system)
...

Other materials:

Tire rotation
Rotate the tires in the order shown. To equalize tire wear and extend tire life, Toyota recommends that tire rotation is carried out at the same interval as tire inspection. Do not fail to initialize the tire pressure warning system after tire rotation. (if equipped) Front â– When rotating th ...

Installation (2005/11-2006/01)
Install no. 1 Roof silencer pad W/o sliding roof: Install the 5 silencer pads. W/ sliding roof: Install the 2 silencer pads. Install no. 3 Roof silencer pad Install no. 1 Roof wire Only when replacing the roof headlining: Align the marking, and then ...

Adding engine oil
â–  Checking the oil type and preparing the items needed Make sure to check the oil type and prepare the items needed before adding oil. Engine oil selection Oil quantity (Low level mark Refill upper limit mark) 1.6 qt. (1.5 L, 1.3 Imp. qt.) Item Clean funnel â–  Adding engine oil If the oi ...

© 2011-2026 Copyright www.trav4.net