DESCRIPTION
If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B279C |
An ECM that is incompatible with engine immobiliser system is installed. |
ECM |
CAUTION / NOTICE / HINT
NOTICE:
If the ECM is replaced, register the ECU communication ID (See page
).
PROCEDURE
|
1. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page
).
(b) Recheck for DTCs (See page
).
OK:
DTC B279C is not output.
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (for 2GR-FE) |
B |
|
NG (for 1AR-FE) |
C |
| A | |
USE SIMULATION METHOD TO CHECK |
| B | |
REPLACE ECM |
| C | |
REPLACE ECM |
No Communication in Immobiliser System (B2796,B2798)
Communication Malfunction No. 1 (B2797)Repair
REPAIR
PROCEDURE
1. REPAIR INTAKE VALVE SEAT
NOTICE:
Repair the seat while checking the seating position.
Keep the lip free of foreign matter.
Take off the cutter gradually to make the intake valve seat smooth.
(a) Usin ...
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“Toyota Genuine Motor Oil” or equivalent to satisfy the following grade and viscosity.
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DESCRIPTION
Detection Item
Symptom
Trouble Area
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