suzuki Workshop Repair Guides

Suzuki Workshop Service and Repair Manuals

Engine Controls - High/Rough Idle/Stalling When Cold|Page 2061 > < A/T Controls - Forenza, Reno - Harsh 4-3 Shift/DTC/MIL|Page 2056
Page 1
background image

PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - High/Rough Idle/Stalling When Cold

FORENZA

Section Title: Engine 
TSB No. TS 03 06035

Division: Automotive 
Category: Technical

SUBJECT:
ECM REPROGRAMMING FOR HIGH IDLE, ROUGH IDLE/STALL

MODEL(S):
FORENZA SEDAN/WAGON, RENO (RQ420)

YEAR:
2004-2005

CONDITION:

During cold engine operation, vehicles with manual transmission may exhibit a high idle (2000+r.p.m.) for up to ten seconds when coming to a stop with
the clutch released.

During cold engine operation, vehicles with automatic transmission may exhibit a rough idle/stall in neutral/park in the first ten seconds of engine
operation or in gear if a shift occurs quicker than 15 seconds after starting.

CAUSE:
ECM Software Logic

CORRECTION:
Engine idle can be improved by reprogramming the ECM. Follow the reprogramming procedure described below.

REQUIRED TOOLS AND SOFTWARE:

WARRANTY CLAIM INFORMATION

Reprogramming Procedure:

1.

Log onto the SCAT system and access the Suzuki Pitstop. Click on "OBD/OBDII DIAGNOSTICS"

2.

Download and review the Suzuki Pass-Thru Reprogramming Tool Operator's Manual. This must be read and understood COMPLETELY before
attempting to reprogram the ECM.

3.

Following the procedure outlined in the Suzuki Pass-Thru Reprogramming Tool Operator's Manual, download and install the Pass-Thru

Engine Controls - High/Rough Idle/Stalling When Cold|Page 2061 > < A/T Controls - Forenza, Reno - Harsh 4-3 Shift/DTC/MIL|Page 2056