Your Toyota is equipped with the illuminated entry system to assist in entering the vehicle. Due to the function of the system, the lights shown in the following illustration automatically turn on/off according to the presence of the electronic key (vehicles with smart key system), whether the doors are locked/unlocked, whether the doors are opened/closed, and the “ENGINE START STOP” switch mode (vehicles with smart key system) or engine switch position (vehicles without smart key system).

1. Personal/interior lights
2. “ENGINE START STOP” switch light (vehicles with smart key system) or engine switch
light (vehicles without smart key system)
3. Door courtesy lights
4. Luggage compartment light
5. Outer foot lights
Personal/interior light main switchTerminals Of Ecu
TERMINALS OF ECU
1. CENTER AIRBAG SENSOR ASSEMBLY
Terminal No.
Terminal Symbol
Destination
L31-1
SFL+
Front seat side airbag assembly LH (Side squib LH)
L31-2
...
Replacement
REPLACEMENT
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. DRAIN DIFFERENTIAL OIL
2. REMOVE REAR WHEEL
3. REMOVE CENTER EXHAUST PIPE ASSE ...
System Too Lean (Bank 1) (P0171,P0172)
DESCRIPTION
The fuel trim is related to the feedback compensation value, not to the basic
injection duration. The fuel trim consists of both the short-term and long-term
fuel trims.
The short-term fuel trim is fuel compensation that is used to constantly ...