VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster), Diagnostic DTC:C1201
| DTC Code | DTC Name |
|---|---|
| C1201 | Engine Control System Malfunction |
DESCRIPTION
If a malfunction is detected in the engine control system, the ECM sends a malfunction signal to the skid control ECU. The skid control ECU stores this DTC and prohibits the following controls:
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VSC
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TRC
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Downhill assist control
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Crawl control
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Multi-terrain select control
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1201 | A malfunction signal is received from the ECM. | Engine control system |
INSPECTION PROCEDURE
PROCEDURE
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CHECK ENGINE CONTROL SYSTEM
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Check if an engine control system DTC is output (for 1GR-FE: Click here, for 1KD-FTV: w/o DPF Click here, w/ DPF Click here.
Result Result Proceed to DTC is not output (for 1GR-FE) A DTC is not output (for 1KD-FTV) B DTC is output (for 1GR-FE) C DTC is output (for 1KD-FTV w/o DPF) D DTC is output (for 1KD-FTV w/ DPF) E
B 
REPLACE ECM Click here
C
GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here
D
GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here
E
GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here
A 
REPLACE ECM Click here
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