WIS Document: 4667

| | Indicator lamp, CHECK GEARBOX Fault symptom The lamp does not light up or lights up and stays on constantly. Note that the CHECK GEARBOX indicator lamp is tested for 3 seconds when the ignition switch is turned to the ON position. Diagnostic procedure 1 Check the lamp | - | Connect the Scan tool diagnostics instrument. | - | Select "ACTIVATE". | - | Select "CHECK GEARBOX". Does the lamp work? | yes Continue with point 3. | no Change the bulb, see Service Manual 3:5 "Electrical system, main instrument display panel", and continue with point 2. 2 Check the wiring Check the wiring between pin 6 of the transmission control module and pin 10 (low spec.) or pin 28 (high spec.) of the main instrument display panel for continuity or shorting. Is the wiring harness OK? | yes Continue with point 3. | no Repair or replace the wiring and continue with point 3. 3 Final check Check the lamp with the diagnostics instrument. Does the lamp work? | yes The remedial action taken was correct. | no Continue with .