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FREQUENT SHIFTING [EV6A-EL, EV6AX-EL]

FREQUENT SHIFTING [EV6A-EL, EV6AX-EL]

SM2566158

id0503n9101300

Troubleshooting item

Frequent shifting
Description
• Downshifting occurs suddenly even when accelerator pedal is depressed slightly in D position.
Possible cause
1. Signal malfunction
― APP sensor malfunction
2. Low-G (XY) sensor (built into SAS control module) malfunction
System wiring diagram
• Not applicable
Connector diagram
• Not applicable

Diagnostic procedure

Step

Inspection

Results

Action
1
INSPECT SIGNAL PARTS FOR MALFUNCTION
• Inspect the value at the following PCM PID using the M-MDS. (See PID/DATA MONITOR INSPECTION.)
― APP (APP sensor)
• Is there any malfunction? (See PID/DATA MONITOR TABLE [PCM (SKYACTIV-G (US))].)
Yes
Repair or replace any malfunctioning parts according to the inspection result.
No
Go to the next step.
2
VERIFY IF MALFUNCTION CAUSE LOW-G (XY) SENSOR
• Is there any malfunction?
Yes
Replace the SAS control module.
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM – MEXICO SPEC.].)
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM – US/CANADA SPEC.].)
No
Symptom troubleshooting is completed.