ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC P1160 THROTTLE RETURN SPRING
NOTE:
For the diagnostic procedure, refer to DTC P2101. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P2101 THROTTLE ACTUATOR "A" CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE">
1. OUTLINE OF DIAGNOSIS
Judge as NG when the valve is opened more than the default opening angle, but does not move to the close direction with the motor power stopped.
2. COMPONENT DESCRIPTION

(1) | Opener spring | (4) | Full closed stopper | (7) | DC motor |
(2) | Return spring | (5) | Throttle valve | (8) | Main and sub throttle position sensor |
(3) | Intermediate stopper | (6) | Gear |
3. EXECUTION CONDITION
Secondary Parameters | Execution condition |
Battery voltage | ≥ 6 V |
Elapsed time after throttle control power supply off | = 1.6 s |
4. GENERAL DRIVING CYCLE
• Ignition switch ON > OFF
• Ignition switch OFF > ON (Only after clearing memory)
5. DIAGNOSTIC METHOD
Judge as NG when the following conditions are established.
Malfunction Criteria | Threshold Value |
Throttle position (Main Sensor) at power supply off' − Throttle position (Main Sensor) | < 2 ° |
Time Needed for Diagnosis: Less than 1 second
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
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NOTE
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and the engine hood must be closed
prior to activating the remote engine
start system. Any open entry point will
prevent starting or cause the engine to
stop.
The remote engine start system is activated
by pressing the fob button on your
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