NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ENGINE ROOM JUNCTION BLOCK - MAIN BODY ECU
AND BODY GROUND)
OK -- Continue to next step.
4. INSPECT ENGINE ROOM JUNCTION BLOCK (IG2 RELAY)
(a) Disconnect the 1E connector from the engine room relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPLACE ENGINE ROOM JUNCTION BLOCK
OK -- REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
B2274
THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): B2274: ACC Monitor Malfunction
B2274 - ACC Monitor Malfunction
DESCRIPTION
This DTC is output when there is a problem in the ACCD output circuit, which is from the inside of the main body ECU (instrument panel junction
block) to the ACC relay.
HINT
When the main body ECU (instrument panel junction block) is replaced with a new one and the cable from the negative (-)
battery terminal is connected, the power source mode becomes the IG-ON mode. When the battery is removed and reinstalled, the
power source mode that was selected when the battery was removed is restored.
After the main body ECU (instrument panel junction block) is replaced, perform the registration procedures for the engine
immobiliser system See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and
Inspection/Programming and Relearning/Engine Immobiliser System (W/ Smart Key System).
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