FREQUENT SHIFTING [EV6A-EL]

id0503n3101300

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

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 (E))].)	Yes	Repair or replace any malfunctioning parts according to the inspection result.
1		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].) (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)
2		No	Symptom troubleshooting is completed.