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 MANUALSLEXUS2012CT 200H L4-1.8L (2ZR-FXE) HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUSTESTING AND INSPECTIONPINOUT VALUES AND DIAGNOSTIC PARAMETERSCAN COMMUNICATION SYSTEMPART 2
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) Hybrid
Part 2
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Part 2
NETWORKING: CAN COMMUNICATION SYSTEM: TERMINALS OF ECU (Continued)
8. ECM
(a) Disconnect the ECM connectors.
Text in Illustration
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for V1 Bus Main Lines
for Power Management Bus Main Lines
9. COMBINATION METER ASSEMBLY
(a) Disconnect the combination meter assembly connector.
Text in Illustration
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
10. POWER MANAGEMENT CONTROL ECU
(a) V1 Bus Branch Lines
(1) Disconnect the power management control ECU connector.
Text in Illustration
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
V1 Bus Branch Lines
(b) V2 Bus Main Lines
(1) Disconnect the power management control ECU connector.
Text in Illustration
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
V2 Bus Main Lines
(c) Power Management Bus Main Lines
(1) Disconnect the power management control ECU connector.
Text in Illustration
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Power Management Bus Main Lines
11. MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Disconnect the main body ECU (multiplex network body ECU) connectors.
Text in Illustration
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
V1 Bus Branch Lines
CAN MS Bus Main Lines
12. SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)
(a) Disconnect the skid control ECU (brake booster with master cylinder assembly) connector.
Text in Illustration
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
V1 Bus Branch Lines
Power Management Bus Branch Lines
13. STEERING ANGLE SENSOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY)
(a) Disconnect the steering angle sensor connector.
Text in Illustration
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
14. YAW RATE AND ACCELERATION SENSOR
(a) Disconnect the yaw rate and acceleration sensor connector.
Text in Illustration
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
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.