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NO SHIFTING [ET6A-EL (US)]

NO SHIFTING [ET6A-EL (US)]

SM2566133

id0503n21010n5

Troubleshooting item

No shifting
Description
• Single shift position only.
• Sometimes shifts correctly.
Possible cause
1. Signal malfunction
― APP sensor malfunction
― BARO sensor malfunction
― Brake switch malfunction
― CKP sensor malfunction
― ECT sensor malfunction
― IAT sensor No.1 malfunction
― MAF sensor malfunction
2. Low-G (XY) sensor (built into SAS control module) malfunction
Note
• When driving on high-altitude roads, the TCM determines that the driving mode is the AAS mode, and may change to a different shift timing from the normal timing.
• When SPORT mode is selected, a gear lower than NORMAL mode is selected, and the gear is maintained for a longer period of time. (with drive selection switch)
• If the engine coolant temperature is low, a gear lower than when in NORMAL mode is selected.
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 PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION.)
― APP (APP sensor)
― BARO (BARO sensor)
― ECT (ECT sensor)
― IAT (IAT sensor No.1)
― MAF (MAF sensor)
― ENG_RPM (CKP 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
INSPECT SIGNAL PARTS FOR MALFUNCTION
• Inspect the value at the following ESU PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION.)
― BRK_SW (Brake switch)
• Is there any malfunction? (See PID/DATA MONITOR TABLE [ELECTRICAL SUPPLY UNIT (ESU) (US)].)
Yes
Repair or replace any malfunctioning parts according to the inspection result.
No
Go to the next step.
3
VERIFY IF MALFUNCTION CAUSE IS 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.