SPEED LIMITER SYSTEM Speed Limiter System does not Operate
| DTC Code | DTC Name |
|---|---|
| Speed Limiter System does not Operate |
DESCRIPTION
When the speed limiter is turned on using the speed limiter switch, the ECM illuminates the speed limiter indicator and activates the speed limiter system. Each function of the speed limiter system can be activated by operating the cruise control switch. When the cruise control system is operating, the speed limiter system will not operate.
WIRING DIAGRAM
PROCEDURE
CHECK CRUISE CONTROL SYSTEM
Turn the ignition switch ON.
Turn the cruise control on using the cruise control switch.
Check the operation of each function by operating the cruise control switch.
OK
Each function of the cruise control system operates normally.
Result
Proceed to
OK
NG
READ VALUE USING GTS (ASL MAIN SWITCH)
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus : Powertrain / Cruise Control / Data List / ASL Main Switch.
In accordance with the display on the tester, read the Data List.
Powertrain > Cruise Control > Data List
Tester Display
Measurement Item
Range
Normal Condition
Diagnostic Note
ASL Main Switch
Speed limiter switch signal
ON or OFF
ON: Speed limiter switch on
OFF: Speed limiter switch off
-
Powertrain > Cruise Control > Data List
Tester Display
ASL Main Switch
OK
When the switch is operated, the display changes as shown above.
Result
Proceed to
OK
NG
NG CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)Click here
CHECK FOR DTC (CRUISE CONTROL SYSTEM)
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Check for DTCs.
Powertrain > Cruise Control > Trouble Codes
Result
Display (DTC output)
Proceed to
DTC P0500 and/or DTC P0503 are output
A
DTC P0500 and DTC P0503 are not output (for 1NR-FE)
B
DTC P0500 and DTC P0503 are not output (for 1ZR-FAE)
C
DTC P0500 and DTC P0503 are not output (for 1AD-FTV)
D
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)
Disconnect the spiral cable sub-assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
E6-2 (ECC) - Body ground
Always
Below 1 Ω
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM)
Disconnect the ECM connector.
Disconnect the spiral cable sub-assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Table 1. for 1NR-FE and 1ZR-FAE Tester Connection
Condition
Specified Condition
A50-40 (ASLM) - E6-12 (ASL)
Always
Below 1 Ω
A50-40 (ASLM) or E6-12 (ASL) - Body ground
Always
10 kΩ or higher
Table 2. for 1AD-FTV Tester Connection
Condition
Specified Condition
A118-24 (ASLM) - E6-12 (ASL)
Always
Below 1 Ω
A118-24 (ASLM) or E6-12 (ASL) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
INSPECT SPIRAL CABLE SUB-ASSEMBLY
Inspect the spiral cable sub-assembly.
w/ VSC:Click here
w/o VSC:Click hereClick here
Result
Result
Proceed to
OK
A
NG (w/ VSC)
B
NG (w/o VSC)
C
INSPECT STEERING PAD SWITCH ASSEMBLY
Inspect the steering pad switch assembly.
Result
Result
Proceed to
OK (for 1NR-FE)
A
OK (for 1ZR-FAE)
B
OK (for 1AD-FTV)
C
NG
D