DESCRIPTION
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (SECURITY INDICATOR LIGHT) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Smart Key
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Immobiliser Indicator |
Security indicator light |
OFF/ON |
- |
OK:
The security indicator light operates normally.
NG | ![]() |
GO TO STEP 3 |
|
2. |
CHECK SECURITY INDICATOR LIGHT OPERATION |
(a) When the immobiliser is set, check that the security indicator light blinks.*1
OK:
The security indicator light blinks normally.
(b) When the theft deterrent system is in the arming preparation state, check
that the security indicator light on (See page
).*2
OK:
The security indicator light is on normally.
Result
Result |
Proceed to |
---|---|
*1 is NG (*2 is OK) |
A |
*2 is NG (*1 is OK) |
B |
A | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
B | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
3. |
CHECK HARNESS AND CONNECTOR (SECURITY INDICATOR LIGHT (AIR CONDITIONING CONTROL ASSEMBLY) - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)) |
(a) Disconnect the A33 security indicator light (air conditioning control assembly) connector.
(b) Disconnect the C29 certification ECU (smart key ECU assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A33-6 (LP) - C29-19 (IND)*1 |
Always |
Below 1 Ω |
A33-6 (LP) or C29-19 (IND) - Body ground*1 |
Always |
10 kΩ or higher |
A33-1 (GND) - Body ground*1 |
Always |
Below 1 Ω |
A33-12 (LP) - C29-19 (IND)*2 |
Always |
Below 1 Ω |
A33-12 (LP) or C29-19 (IND) - Body ground*2 |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
(a) Reconnect the C29 certification ECU (smart key ECU assembly) connector.
(b) Measure the voltage and check the pulse according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A33-6 (LP) - A33-1 (GND)*1 |
Engine switch off → engine switch on (IG) |
Pulse generation → Below 2 V |
A33-12 (LP) - A33-1 (GND)*2 |
Engine switch off → engine switch on (IG) |
Pulse generation → Below 2 V |
Result |
Proceed to |
---|---|
OK (for Automatic Air Conditioning System) |
A |
OK (for Manual Air Conditioning System) |
B |
NG |
C |
A | ![]() |
REPLACE SECURITY INDICATOR LIGHT (AIR CONDITIONING CONTROL ASSEMBLY) |
B | ![]() |
REPLACE SECURITY INDICATOR LIGHT (AIR CONDITIONING CONTROL ASSEMBLY) |
C | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Transfer Shift Motor Control Circuit Circuit Open (P17A8)
DESCRIPTION
This DTC is output when an open circuit in the transfer shift motor drive circuit
is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17A8
Transfer Shift Motor Control Circuit Circuit Open
...
Yaw Rate Sensor Malfunction (C1436)
DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the yaw
rate and acceleration (airbag sensor assembly) via the CAN communication system.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor and
detects the vehicle's condition using 2 ...
System Description
SYSTEM DESCRIPTION
1. CRUISE CONTROL SYSTEM
The cruise control system makes it possible to drive at a desired speed without
using the accelerator pedal. ECM controls the throttle opening angle based on signals
from switches and sensors.
The microcomputer which controls the cruise control syst ...