DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle engine immobiliser system functions. Engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
In some cases, a malfunction may be occurring in the engine immobiliser system even though the security indicator light is not illuminated.
When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
2. CHECK DLC3
(a) Check the DLC3 (See page ).
3. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
4. START FUNCTION PROBLEM SYMPTOMS
Symptom |
Suspected Area |
Component Malfunction |
Possible Output DTCs |
Related Data List Item |
---|---|---|---|---|
Engine cannot be started*1 |
Certification ECU (smart key ECU assembly) |
Open or short circuit inside ECU |
|
|
ECM |
Open or short circuit inside ECU |
|
EFI Code Receive |
|
SFI system |
ECM incompatible with installed engine immobiliser system |
B279C |
|
|
Power source mode cannot be changed*1 |
Engine switch |
Open or short circuit inside switch |
B278A |
|
Certification ECU (smart key ECU assembly) |
Open or short circuit inside ECU |
|
|
|
Steering lock lock/unlock not possible*2 |
Steering lock ECU (steering lock actuator or upper bracket) |
|
|
|
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Replace the blind spot monitor sensor if it has been dropped or subjected to
a severe impact.
PROCEDURE
1. REMOVE REAR BUMPER ASSEMBLY (w/ Towing Package)
(See page )
2. REMOVE REAR BUMPER ASSEMBLY (w/o Towing Package)
(See page )
3. REMOVE CONN ...
Front Camera Module Circuit (C1AA0)
DESCRIPTION
When an internal malfunction is detected in the forward recognition camera, DTC
C1AA0 is stored.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1AA0
Front Camera Module Circuit
3 seconds ...
Vehicle Lift And Support Locations
VEHICLE LIFT AND SUPPORT LOCATIONS
1. NOTICE ABOUT VEHICLE CONDITION WHEN JACKING UP VEHICLE
(a) The vehicle must be unloaded before jacking up / lifting up the vehicle.
Never jack up / lift up a heavily loaded vehicle.
(b) When removing heavy parts such as the engine and transmission, the cent ...