Lexus IS250 IS220d GSE20 ALE20 - CRUISE CONTROL
CRUISE CONTROL SYSTEM - DATA LIST / ACTIVE TEST
| READ DATA LIST |
- HINT:
- Using the intelligent tester's DATA LIST allows switch, sensor, actuator, and other item values to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Read the DATA LIST according to the display on the tester.
| Item | Measurement Item / Display (Range) | Normal Condition | Diagnostic Note |
| Vehicle Spd | Vehicle speed / min.: 0 km/h (0 mph), max.: 255 km/h (158 mph) | Actual vehicle speed | - |
| Memory Spd | Cruise control memorized speed / min.: 36 km/h (22.5 mph), max.: 200 km/h (125 mph) | Actual stored vehicle speed | - |
| Rqst Torqur | Cruise request torque / min.: -1,024 Nm, max.: 1,016 Nm | - | - |
| Cruise Control | Cruise control system active condition / ON or OFF | ON: Cruise control activated OFF: Cruise control deactivated | - |
| Main SW (Main) | Main switch signal (Main CPU) / ON or OFF | ON: Main switch on (Pushed on) OFF: Main switch off (Pushed off) | "3" |
| CCS Indicator M | Cruise indicator signal (Main CPU) / ON or OFF | ON: "CRUISE" on OFF: "CRUISE" off | "2" |
| Cancel SW | CANCEL switch signal / ON or OFF | ON: CANCEL switch on OFF: CANCEL switch off | - |
| SET/COAST SW | SET / COAST switch signal / ON or OFF | ON: SET / COAST switch on OFF: SET / COAST switch off | - |
| RES/ACC SW | RES / ACC switch signal / ON or OFF | ON: RES / ACC switch on OFF: RES / ACC switch off | - |
| STP Light SW M | Stop light switch signal (Main CPU) / ON or OFF | ON: Brake pedal depressed OFF: Brake pedal released | - |
| Shift D Pos | PNP switch signal (D position) / ON or OFF | ON: Shift lever in D OFF: Shift lever not in D | - |
| Clutch switch signal / ON or OFF | ON: Clutch pedal released OFF: Clutch pedal depressed | - |
- HINT:
"3" is OK but "1" is NG → ECM failure
"1" is OK but "2" is NG → DTC output or ECM failure
"3" is OK but CRUISE main indicator light does not illuminate → CRUISE main indicator light, wire harness, or ECM failure
| PERFORM ACTIVE TEST |
- HINT:
- Performing the intelligent tester's ACTIVE TEST allows relays, VSVs, actuators, and other items to be operated without removing any parts. Performing the ACTIVE TEST early in troubleshooting is one way to save time. The DATA LIST can be displayed during the ACTIVE TEST.
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Perform the ACTIVE TEST according to the display on the tester.
- HINT:
- The engine switch must be turned on (IG) to proceed ACTIVE TEST using the intelligent tester.
| Item | Vehicle Condition / Test Details | Diagnostic Note |
| CRUISE INDIC | Turns CRUISE main indicator light ON / OFF | - |