IMMOBILISER SYSTEM(w/ Entry and Start System)
| DTC Code | DTC Name |
|---|---|
| HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
Use this procedure to troubleshoot the immobiliser system.
*: Use the GTS.
PROCEDURE
VEHICLE BROUGHT TO WORKSHOP
Result
Proceed to
NEXT
INSPECT BATTERY VOLTAGE
Measure the battery voltage.
Standard voltage
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
Tip:A simple method to determine whether the battery is discharged is to operate the horn.
Result
Proceed to
NEXT
TURN ENGINE SWITCH ON (IG)
Tip:When using the GTS with the engine switch off, connect the GTS to the vehicle and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start. While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
Result
Proceed to
NEXT
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
Use the GTS to check if the CAN communication system is functioning normally.
for LHD:
for RHD:
Result
Proceed to
CAN DTC is not output
CAN DTC is output (for LHD)
CAN DTC is output (for RHD)
CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*
Use the GTS to check if the LIN communication system is functioning normally.
Result
Proceed to
LIN DTC is not output
LIN DTC is output
CHECK FOR DTC*
Check for DTCs and make a note of any codes that are output.
Powertrain > Engine > Trouble Codes
Powertrain > Engine and ECT > Trouble Codes
Body Electrical > Telematics > Trouble Codes
Chassis > EMPS > Trouble Codes
Body Electrical > Entry&Start > Trouble Codes
Based on the DTCs output above, proceed to each diagnostic procedure.
Result
Result
Proceed to
DTC is not output
A
SFI system DTC is output (for 2AR-FE [w/ Canister Pump Module])
B
SFI system DTC is output (for 2AR-FE [w/o Canister Pump Module])
C
SFI system DTC is output (for 3ZR-FAE)
D
SFI system DTC is output (for 3ZR-FE [for K111, K111F])
E
SFI system DTC is output (for 3ZR-FE [except K111, K111F])
F
ECD system DTC is output (for 2WW)
G
ECD system DTC is output (for 2AD-FTV [for CCo])
H
ECD system DTC is output (for 2AD-FTV [for DPF])
I
ECD system DTC is output (for 2AD-FHV)
J
Steering lock system DTC is output
K
Immobiliser system DTC is output
L
PERFORM SYMPTOMS TABLE
Refer to Problem Symptoms Table.
Result
Proceed to
Fault is not listed in problem symptoms table
Fault is listed in problem symptoms table
Fault is listed in problem symptoms table ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
OVERALL ANALYSIS AND TROUBLESHOOTING*
Data List / Active Test
Terminals of ECU
Result
Proceed to
NEXT
REPAIR OR REPLACE
Result
Proceed to
NEXT
CHECK FOR DTC*
Clear the DTCs.
Body Electrical > Entry&Start > Clear DTCs
Check for DTCs.
Body Electrical > Entry&Start > Trouble Codes
Tip:Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.
Result
Proceed to
DTC is not output
Immobiliser system DTC is output
DTC is not output END