Subaru Crosstrek Service Manual: Dtc p1492 coil 1 egr "a" control circuit low
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC P1492 COIL 1 EGR "A" CONTROL CIRCUIT LOW
NOTE:
For the diagnostic procedure, refer to DTC P1498. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P1498 COIL 4 EGR "A" CONTROL CIRCUIT LOW">
1. OUTLINE OF DIAGNOSIS
• Detects open or short circuit of EGR.
• Judge as NG when the ECM output level differs from the actual terminal level.
2. COMPONENT DESCRIPTION
(1) | Engine control module (ECM) | (4) | Switch circuit | (6) | Main relay |
(2) | Computer unit (CPU) | (5) | Battery voltage | (7) | EGR control valve |
(3) | Detecting circuit |
3. EXECUTION CONDITION
Secondary Parameters | Execution condition |
Battery voltage | ≥ 10.9 V |
EGR control signal | OFF |
4. GENERAL DRIVING CYCLE
Perform diagnosis continuously during EGR operation.
5. DIAGNOSTIC METHOD
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Malfunction Criteria | Threshold Value |
EGR control voltage | ≤ Battery voltage ? 0.34 V |
Time Needed for Diagnosis: 2500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Dtc p1451 evap system clog detected (pipe)
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P1451 EVAP SYSTEM CLOG DETECTED (PIPE)DTC DETECTING CONDITION:Detected when two consecutive driving cycles wi ...
Dtc p1493 coil 1 egr "a" control circuit high
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P1493 COIL 1 EGR "A" CONTROL CIRCUIT HIGHNOTE:For the diagnostic procedure, refer to DTC P1499. Di ...
Other materials:
Dtc c2024 tire 4 air pressure low (normal mode)
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C2024 TIRE 4 AIR PRESSURE LOW (NORMAL MODE)DTC DETECTING CONDITION:Inflation pressure of tires dropped below the specified value.NOTE:For the specifications, refer to “CURRENT DATA&rdq ...
Installation
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Transfer Driven GearINSTALLATION1. Install the transfer driven gear assembly.2. Install the transfer clutch assembly. Transfer Clutch > INSTALLATION">3. Select the transfer driven gear shim. Transfer Clutch > ADJUSTMENT">4. Insta ...
Diagnostic procedure without diagnostic trouble code (dtc) Check shift indicator
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure without Diagnostic Trouble Code (DTC)CHECK SHIFT INDICATORDiagnosis:• CAN communication is abnormal with the combination meter.• Combination meter malfunctionTrouble symptom:• Shift indicator does not displa ...
