IRAN KHODRO Dena / Dena+ / Turbo 2012– • active

Variant identity

Model family

Dena / Dena+ / Turbo

Market/region

Middle East and Africa

Period/status

2012– • active • Status requires source verification

Platform/generation

Source-defined platform/generation

Powertrain/energy/driveline

manuel/6AT

Research focus: verify platform/generation, powertrain/energy/driveline and market-specific application identity against manufacturer/source records before applying parts, service procedures or chronic-fault claims.

System map

• A boost fault is not just the turbo; separate leaks, wastegate/VGT, vacuum/electric control, MAF/MAP and exhaust backpressure.
• For network faults, evaluate source ECU, gateway path, power/ground and wake/sleep behaviour together.

Measurement and verification sequence

1. Measure CAN-H/CAN-L bias and termination under the fault condition, not only key-on; capture message timing with source address.

Misdiagnosis traps

• Without leak and actuator-command verification, a healthy turbo can be replaced unnecessarily.

Variant-specific system split

• On turbo-petrol architecture, load calculation, boost target/actual, lambda/fuel trim, ignition and knock control are compared in the same event window.
• On torque-converter automatics, TCC slip, input/output speeds, commanded/actual ratio, fluid temperature and line-pressure control are tracked separately.

Freeze frame / live data

• Freeze frame: first/last fault time, RPM, load, vehicle speed, system voltage, core temperatures and companion DTCs.
• Live data: calculated load, MAP/boost target-actual, throttle angle, lambda/O2, STFT/LTFT, ignition advance and knock retard.
• Driveline: input/output speeds, commanded/actual ratio, clutch/TCC slip, fluid temperature, actuator/solenoid command and adaptations.

Root-cause split

• On lean/misfire/boost complaints, align fuel trim, lambda, ignition retard and boost deviation on one time base to separate air leak, fuel-delivery and ignition causes.
• On torque-converter automatics, separate TCC slip from actual gear-ratio error; temperature-dependent line-pressure/solenoid behavior can mimic mechanical clutch faults.

What should be verified first?

Model name alone is insufficient. Do not generalize parts fitment, chronic issues or service procedures until production period, market, platform/generation, powertrain, transmission and controller identity are matched.

Model family dossier → · Engine Atlas → · Transmission Atlas → · Recall →