Fault Diagnosis
Fault Diagnosis for Symptom

Major Symptom

Expected Cause

Items to Check and Measures

Shift lever inoperable

Faulty shift cable tension

Adjust shift cable tension

(refer to "Automatic Transaxle System – Inhibitor Switch")

Faulty shift cable assembly/connection

Check manual control valve assembly and re-assemble if necessary.

Faulty shift cable bracket installation

Check cable installation on the shift lever assembly and repair if necessary.

Shock when shifting to and from D/R

Motor run-up when shifting to and from D/R

Faulty inhibitor switch "N" setting

Use the "N" setting jig and adjust the "N" setting.

(refer to "Automatic Transaxle System – Inhibitor Switch")

Faulty oil pressure in the valve body.

Replace valve body assembly or inspect/replace transaxle assembly

Faulty engine start

Current gear not indicated in the Cluster

Warning Lamp ON

Engine stall while stopped

Creeping not possible

Auto parking release disabled

Faulty CAN terminating resistance/circuit

Check PCU/battery management system module.

Check PCU wiring connector connection.

Faulty power supply (IG.1) to inhibitor switch circuit

Check for gap on the junction box power terminal in the engine compartment and fuse (TCU2) connection. Repair terminal or exchange junction box if necessary.

Faulty inhibitor switch circuit fuse

Check fuse and junction box terminal, and repair.

Faulty inhibitor switch wiring connector

Check for foreign substance in the wiring connector, and check for gap on the terminal.

Check sealing on unused pin, and check for corrosion on the terminal.

Faulty reverse lamp circuit

Check reverse lamp ground, and reassemble if necessary.

Faulty inhibitor switch wiring ground

Check wiring ground, and reassemble if necessary.

Faulty inhibitor switch circuit (unused code)

Inspect in accordance with the inspection flow, then replace inhibitor switch if necessary.

Faulty inhibitor switch operation (faulty mid-range)

Inspect in accordance with the inspection flow, then replace inhibitor switch if necessary.

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