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Toyota Corolla Repair Manual: Ecm/pcm processor

Dtc p0606 ecm/pcm processor

Monitor description

The ecm continuously monitors its internal circuits. This selfcheck insures that the ecm is functioning properly.

If a malfunction is detected, the ecm will set the appropriate dtc and illuminate the mil.

The two cpus, main and sub cpu inside the ecm, perform continuous mutual monitoring. If there is difference between outputs from the two cpus that deviates from standard level ranges, the ecm concludes that there is a fault and sets a dtc.

Monitor strategy

Monitor strategy

Typical enabling conditions

Typical enabling conditions

Typical malfunction thresholds

Typical malfunction thresholds

Inspection procedure

Inspection procedure

Hint

: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the airfuel ratio was lean or rich, etc. At the time of the malfunction.

Replace ecm

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is usefu ...

Starter relay circuit high
Dtc p0617 starter relay circuit high ...

Other materials:

Description
1. Radio wave band The radio wave bands used in radio broadcasting are as follows: Lf: low frequency mf: medium frequency hf: high frequency vhf: very high frequency 2. Service area There are great differences in the size of the service area for am and fm broadcasting. Sometimes ...

In the vicinity of the center console
Control Display Ventilation Hazard warning system Intelligent Safety Glove compartment Radio/multimedia, see Owner's Manual for Navigation, Entertainment, and Communication Automatic climate control Controller with buttons Parking brake Automatic Hold PDC Park Distance Control Wi ...

Turn signal, high beams, headlight flasher
Turn signal Turn signal in exterior mirror When driving and during operation of the turn signals or hazard warning system, do not fold in the exterior mirrors, so that the signal lights on the exterior mirror are easy to see. Using turn signals Press the lever past the resistance point. Triple turn ...

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