ad blue TOYOTA AVENSIS 1999 Supplement



B02407
WIRING DIAGRAM
DTC 13 Short in D Squib Circuit
CIRCUIT DESCRIPTION
The D squib circuit consists of the airbag sensor assembly, spiral cable and steering wheel pad.
It causes the airbag to deploy when the airbag deployment conditions are satisfied.
For details of the function of each components,see OPERATION on page RS–2.
DTC 13 is recorded when a short is detected in the D squib circuit.
DTC No.DTC Detecting Condition
Trouble Area
Short circuit between D wire harness and D wire harness of squib
D squib malfunction
Spiral cable malfunction
Airbag sensor assembly malfunctionSteering wheel pad (D squib)
Spiral cable
Airbag sensor assembly
Wire harness
 Diagnostic Trouble Code No. and Detection Item
Circuit Description
The major role and operation, etc. of the circuit
and its component parts are explained. 
Indicates the diagnostic trouble code, diagnostic
trouble code set parameter and suspect area of
the problem. 
Wiring Diagram
This shows a wiring diagram of the circuit.
Use this diagram together with ELECTRICAL
WIRING DIAGRAM to thoroughly understand the
circuit.
Wire colors are indicated by an alphabetical code.
B = Black, L = Blue, R = Red, BR = Brown,
LG = Light Green, V = Violet, G = Green,
O = Orange, W = White, GR = Gray, P = Pink,
Y = Yellow
The first letter indicates the basic wire color and
the second letter indicates the color of the stripe. 
Spiral
Cable
G–R
G–Y 1
27
6D+
D–
A15
A15
D SquibAirbag Sensor
Assembly
13
– INTRODUCTIONHOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMSIN–27
6. CIRCUIT INSPECTION
How to read and use each page is shown below.

PP285–01
PP–22
– PREPARATIONAIR CONDITIONING
AIR CONDITIONING
SST (Special Service Tools)
07110–58060Air Conditioner Service Tool Set
(07117–58060)Refrigerant Drain Service Valve
(07117–58070)T–Joint
(07117–58080)Quick Disconnect AdapterHigh pressure side
(07117–58090)Quick Disconnect AdapterLow pressure side
(07117–88060)Refrigerant Charging HoseHigh pressure side
(Color: Red)
(07117–88070)Refrigerant Charging HoseLow pressure side
(Color: Blue)
(07117–88080)Refrigerant Charging HoseUtility
(Color: Green)






I12758
Buner Motor
Glow Plug
Overheating Sensor
Temp. Sensor
Flame SensorBR
B
BR
W
R
L R
L
BR
L
Connector B14
7 135
6 3 9
8 1
Power
Heater
ECUR
BR
B–R
G
G–W
L
Y
B–WConnector A 8
2
51
3
6
47R
BR
GTerminal L
of AlternatorBattery
Metering Pump
SWIG
Vehicle Side
14 13 10 9 825 13 647
11 1 2
12Fuse (20 A) B–R
G–W AC–10
– AIR CONDITIONINGCOMBUSTION TYPE POWER HEATER
2. DESCRIPTION OF DISPLAY AND BUTTONS
AF: Current Value Malfunction (Blinking at current failure)
Diag: DTC (Example: 064 Flame sensor break)
Mamory Clear button: Deletion of faulty memory (Press both buttons together for longer than 2 sec.)
> Button: Scroll up of faulty memory (The past 5 codes can be stored.)
< Button: Scroll down of faulty memory (The past 5 codes can be stored.)
3. FAULTY MEMORY
The ECU is able to store up to 5 pieces of faulty memory. If it is full, the new data is written over F5.
4. WIRING DIAGRAM
Wire colors are indicated by an alphabetical code.
B=Black W=White BR=Brown L=Blue R=Red G=Green Y=Yellow
The first letter insicates the basic wire color and the seconk letter indicates the color of the stripe.