NO.39 O/D OFF INDICATOR LIGHT DOES NOT ILLUMINATE WHEN O/D OFF SWITCH IS TURNED TO ON[LA4AX-EL (CD4E)]

NO.39 O/D OFF INDICATOR LIGHT DOES NOT ILLUMINATE WHEN O/D OFF SWITCH IS TURNED TO ON[LA4AX-EL (CD4E)]

id0503a2807600

39

O/D OFF indicator light does not illuminate when O/D OFF switch turned to ON

POSSIBLE CAUSE

• The malfunction is in the O/D OFF switch

Diagnostic procedure

STEP	INSPECTION		ACTION
1	• Do other indicator lights illuminate with the ignition switch at ON?	Yes	Inspect the meter fuse
1		No	Go to the next step
2	• Inspect the O/D OFF switch • Is the O/D OFF switch normal?	Yes	Go to the next step
2		No	Repair or replace any malfunctioning parts
3	• Inspect the voltage at the following PCM terminal (See PCM INSPECTION[AJ (3.0L Duratec)].) • O/D OFF indicator light signal • Is terminal voltage normal?	Yes	Service as required
3		No	Replace the PCM (See PCM REMOVAL/INSTALLATION[AJ (3.0L Duratec)].)
4	• Inspect the O/D OFF indicator light • Is the O/D OFF indicator light normal?	Yes	Inspect for an open circuit or disconnected connector in the wiring harness between the following • Ignition switch and O/D OFF indicator light • O/D OFF indicator light and PCM
4		No	Repair or replace any malfunctioning parts
5	• Verify the test results. ― If normal, return to the diagnostic index to service any additional symptoms. ― If the malfunction remains, inspect the related Service Information and perform repair or diagnosis. • If the vehicle is repaired, troubleshooting is completed. • If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM.