2015 Honda CR-Z Service and Repair Manual

Engine and Drivetrain

• Complete repair procedures for the actual powertrain fitted to the vehicle: 1.5L SOHC 16-Valve i-VTEC Inline-4 engine combined with Integrated Motor Assist (IMA) electric hybrid assist technology
• High-voltage hybrid battery module and power inverter control management servicing procedures
• Fuel injection system diagnostics and repair procedures for Honda multipoint fuel injection setups
• Engine cooling system service specifications and multi-fan assembly workflows
• Exhaust and emissions control system repairs including dual oxygen sensor networks
• Transmission overhaul and troubleshooting procedures for the 6-speed manual transmission and the Continuously Variable Transmission (CVT) with steering-wheel paddle shifters
• Driveshaft, constant-velocity (CV) boot assemblies, and front axle axle service procedures

Chassis and Suspension

• Front suspension repair procedures specific to the vehicle platform: MacPherson strut assembly circuits
• Rear suspension repair procedures specific to the vehicle platform: H-shaped torsion beam rear axle system
• Steering system diagnostics and service specifications including Electric Power Steering (EPS) components
• Wheel alignment specifications and adjustment procedures
• Wheel bearing replacement and hub assembly procedures
• Suspension component diagnostics and troubleshooting

Braking Systems

• ABS and Vehicle Stability Assist (VSA) diagnostic and modulator calibration procedures
• Brake hydraulic system service specifications for 4-wheel disc configurations
• Regenerative braking system diagnostics and service workflows
• Parking brake mechanical linkage adjustment and cable service procedures
• Brake pad, caliper, and rotor inspection and replacement procedures

Electrical and Wiring

• Complete factory wiring diagrams and schematic grounds
• 12V under-hood primary battery, charging, and traditional starter motor bypass diagnostics
• Power distribution box, under-dash fuse networks, and multi-relay schematics
• Intelligent lighting system diagnostics including High-Intensity Discharge (HID) headlight actuators, daytime running lights (DRLs), and LED taillight panels
• Infotainment, navigation, touchscreen display, and HandsFreeLink Bluetooth multimedia troubleshooting setups

Air Conditioning and HVAC

• Automatic climate control system diagnostics with onboard air filtration networks
• HVAC component replacement procedures utilizing R134a refrigerant specifications
• Refrigerant evacuation and recharging procedures
• Heating and ventilation system troubleshooting

Body and Interior

• Interior cabin trim removal and dashboard instrumentation console installation procedures
• Exterior sport hatchback body repair, folding power side mirror motor diagnostics, and window glass guides
• Smart entry system, power door window regulators, and central locking system diagnostics
• Airbag, side curtain restraints, and automatic seatbelt pretensioner occupant restraint service procedures

Diagnostics and Troubleshooting

• On-Board Diagnostics (OBD-II) trouble code diagnostic lookup procedures
• Manufacturer-specific data stream mapping via Honda Diagnostic System (HDS) connection routines
• Component circuit testing and continuous memory testing specifications
• Step-by-step diagnostic test workflows and component pinouts

Common Error Codes Covered

Engine and IMA Hybrid Subsystem Codes

• Code P1259: VTEC System Malfunction / Cylinder Head Oil Pressure Switch Failure
• Code P1437: Motor Power Inverter (MPI) Module short circuit across Lithium-Ion pack
• Code P0A7F: Hybrid Battery Pack Deterioration / IMA Pack Voltage Failure
• Code P0135: Front Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction

Transmission Codes

• Code P0720: CVT Output Shaft Speed Sensor Circuit Malfunction
• Code P0840: CVT Transmission Fluid Pressure Sensor Circuit Error
• Code P0741: Torque Converter Clutch (TCC) System Mechanical Stuck Off

ABS and Chassis Codes

• Code 52-01: ABS/VSA Hydraulic Pump Motor Stuck Malfunction
• Code 11-11: Front Right Wheel Speed Sensor Circuit Intermittent Signal
• Code 13-11: Front Left Wheel Speed Sensor Circuit Intermittent Signal

Network Communication Codes

• Code U0100: Lost Communication with the Engine Control Module (ECM/PCM)
• Code U0110: Lost Communication with the Drive Motor Control Module (IMA ECU)

Body and Climate Control Codes

• Code B1240: Mode Vent Door Motor Circuit Problem
• Code B1905: Front Passenger Airbag Inflator Circuit Resistance High

And thousands of additional diagnostic codes, test procedures, wiring diagrams, and repair instructions specific to this generation.

This manual is ideal for:

• Professional automotive workshops
• Independent repair garages
• Mobile mechanics
• Automotive technicians
• Vehicle owners performing DIY repairs
• Automotive training institutions