NO.29 DOES NOT UPSHIFT IN M RANGE [AW6AX-EL]
id0503j6803400
29
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Does not upshift in M range
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DESCRIPTION
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• Gear position indicator light in instrument cluster illuminates, but the vehicle does not upshift when the selector lever is pushed to “+” side.
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POSSIBLE CAUSE
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• Up switch or related wiring harness malfunction
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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---|---|---|---|
1
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Inspect the voltage at the TCM terminal A3.
(See TCM INSPECTION [AW6AX-EL].)
Is the voltage normal?
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Yes
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Inspect the instrument cluster.
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No
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Inspect the up switch.
• If the up switch is normal, inspect for continuity between the up switch and TCM terminal A3.
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||
2
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• Verify test results.
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