Sfi System Precaution

Engine Hybrid System. Corolla. Zre142 Aze141
2Zr-Fe Engine Control. Corolla. Zre142 Aze141

  1. INITIALIZATION

  1. EXPRESSION OF IGNITION SWITCH

  1. FOR USING TECHSTREAM

  1. DISCONNECTING AND RECONNECTING OF NEGATIVE BATTERY TERMINAL CABLE

Sfi System -- Precaution



1.INITIALIZATION
NOTICE:
  1. Perform RESET MEMORY (AT initialization) when replacing the automatic transaxle assembly, engine assembly or ECM (COROLLA_ZRE142 RM000000W7F0LGX.html).
  2. Perform REGISTRATION (VIN registration) when replacing the ECM (COROLLA_ZRE142 RM000000PDT0AMX.html).
HINT:
Reset memory or initial initialization cannot be completed by only disconnecting and reconnecting the cable to the negative (-) battery terminal.

2.EXPRESSION OF IGNITION SWITCH

HINT:
The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section.

Expression
Ignition Switch (Position)
Engine Switch (Condition)
Ignition switch off
LOCK
Off
Ignition switch ON
ON
On (IG)
Ignition switch ACC
ACC
On (ACC)
Engine Start
START
Start

3.FOR USING TECHSTREAM
CAUTION:
Observe the following items for safety reasons:
  1. Read its instruction books before using the Techstream.
  2. Prevent the Techstream cable from being caught on the pedals, shift lever or steering wheel when driving with the Techstream connected to the vehicle.
  3. When driving the vehicle for testing purposes using the Techstream, two persons are required. One person drives the vehicle, and the other operates the Techstream.

4.DISCONNECTING AND RECONNECTING OF NEGATIVE BATTERY TERMINAL CABLE


    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.Sfi System.Sfi System Precaution

  1. Before performing work on electric components, disconnect the cable from the negative (-) battery terminal in order to prevent damage to the electrical system or components.

  2. Before disconnecting and reconnecting the battery cable, turn the ignition switch off and the headlight switch OFF. Then loosen the terminal nut completely. Do not damage the cable or terminal.

  3. When the battery cable is disconnected, the clock and radio settings and stored DTCs are cleared. Therefore, before disconnecting the battery cable, make a note of the settings.