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 DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUSTESTING AND INSPECTIONPINOUT VALUES AND DIAGNOSTIC PARAMETERS
2006 Scion xB L4-1.5L (1NZ-FE)
Pinout Values and Diagnostic Parameters
2006 Scion xB L4-1.5L (1NZ-FE)SECTION Pinout Values and Diagnostic Parameters
TERMINALS OF ECU
1. JUNCTION CONNECTOR
2. CHECK DLC3
a. Measure the resistance of the connector.
3. CHECK ECM
a. Measure the resistance of the connector.
b. Disconnect the E4 and E3 ECM connectors.
c. Measure the resistance of the wire harness side connectors.
4. CHECK A/C AMPLIFIER
a. Measure the resistance of the connector.
b. Disconnect the A17 amplifier connector.
c. Measure the resistance of the wire harness side connector.
5. CHECK BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU WITH ACTUATOR)
a. Disconnect the S3 ECU connector.
b. Measure the resistance of the wire harness side connector.
6. CHECK STEERING SENSOR
a. Disconnect the S7 sensor connector.
b. Measure the resistance of the wire harness side connector.
7. CHECK YAW RATE SENSOR
a. Disconnect the Y1 sensor connector.
b. Measure the resistance of the wire harness side connectors.
Terminals Of Control Module/Pinouts - Junction Connector:
1. JUNCTION CONNECTOR
Terminals Of Control Module/Pinouts - Check DLC3:
2. CHECK DLC3
a. Measure the resistance of the connector.
Terminals Of Control Module/Pinouts - Check ECM:
3. CHECK ECM
a. Measure the resistance of the connector.
b. Disconnect the E4 and E3 ECM connectors.
c. Measure the resistance of the wire harness side connectors.
Terminals Of Control Module/Pinouts - Check A/c Amplifier:
4. CHECK A/C AMPLIFIER
a. Measure the resistance of the connector.
b. Disconnect the A17 amplifier connector.
c. Measure the resistance of the wire harness side connector.
Terminals Of Control Module/Pinouts - Check Brake Actuator Assembly (Control ECU With Actuator):
5. CHECK BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU WITH ACTUATOR)
a. Disconnect the S3 ECU connector.
b. Measure the resistance of the wire harness side connector.
Terminals Of Control Module/Pinouts - Check Steering Sensor:
6. CHECK STEERING SENSOR
a. Disconnect the S7 sensor connector.
b. Measure the resistance of the wire harness side connector.
Terminals Of Control Module/Pinouts - Check YAW Rate Sensor:
7. CHECK YAW RATE SENSOR
a. Disconnect the Y1 sensor connector.
b. Measure the resistance of the wire harness side connectors.
RENDER: 1.0x
NO RELATED
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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.