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.
Disassembly
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Procedure
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Specification
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