Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2006XB L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONREADING AND CLEARING DIAGNOSTIC TROUBLE CODESDTC CHECK/CLEAR
2006 Scion xB L4-1.5L (1NZ-FE)
DTC Check/Clear
2006 Scion xB L4-1.5L (1NZ-FE)SECTION DTC Check/Clear
DTC CHECK/CLEAR
1. CHECK DTC
a) DTCs which are stored in the ECM can be displayed on the intelligent tester.
The intelligent tester can display pending DTCs and current DTCs. Some DTCs are not stored unless a malfunction is detected in consecutive driving cycles. When a malfunction is detected in only one driving cycle, it is stored as a pending DTC.
1) Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.
2) Turn the ignition switch ON.
3) Enter these menus: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES (or PENDING CODE).
4) Confirm the DTCs and freeze frame data and then write them down.
5) Confirm the details of the DTCs.
NOTICE: When simulating a symptom with the scan tool to check for DTCs, use normal mode. For codes on the DIAGNOSTIC TROUBLE CODE CHART subject to "2 trip detection logic", perform these actions. Turn the ignition switch OFF after the symptom is simulated once. Then repeat the simulation process again. When the symptom has been simulated twice, the MIL illuminates and the DTCs are recorded in the ECM.
2. CLEAR DTC
a) When using the intelligent tester:
1) Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.
2) Turn the ignition switch ON.
3) Enter these menus: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CLEAR CODES. Then press YES.
HINT: When operating the intelligent tester to erase the codes, the DTCs and freeze frame data will be erased.
b) When not using the intelligent tester:
1) Disconnect the battery terminal or remove the EFI fuse from the engine room junction block for 60 seconds or more. If you disconnect the battery terminal, perform the "INITIALIZATION" procedure.
1. CHECK DTC
a) DTCs which are stored in the ECM can be displayed on the intelligent tester.
The intelligent tester can display pending DTCs and current DTCs. Some DTCs are not stored unless a malfunction is detected in consecutive driving cycles. When a malfunction is detected in only one driving cycle, it is stored as a pending DTC.
1) Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.
2) Turn the ignition switch ON.
3) Enter these menus: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES (or PENDING CODE).
4) Confirm the DTCs and freeze frame data and then write them down.
5) Confirm the details of the DTCs.
NOTICE: When simulating a symptom with the scan tool to check for DTCs, use normal mode. For codes on the DIAGNOSTIC TROUBLE CODE CHART subject to "2 trip detection logic", perform these actions. Turn the ignition switch OFF after the symptom is simulated once. Then repeat the simulation process again. When the symptom has been simulated twice, the MIL illuminates and the DTCs are recorded in the ECM.
2. CLEAR DTC
a) When using the intelligent tester:
1) Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.
2) Turn the ignition switch ON.
3) Enter these menus: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CLEAR CODES. Then press YES.
HINT: When operating the intelligent tester to erase the codes, the DTCs and freeze frame data will be erased.
b) When not using the intelligent tester:
1) Disconnect the battery terminal or remove the EFI fuse from the engine room junction block for 60 seconds or more. If you disconnect the battery terminal, perform the "INITIALIZATION" procedure.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.