Mazda 6 2002 Workshop Manual page 505

Diagnostic procedure
STEP
1 • Are other indicator lights illuminated with
ignition switch is at ON?
2 • Check the HOLD switch
(See K–13 HOLD SWITCH
• Is HOLD switch okay?
3 • Disconnect PCM.
• Turn ignition switch on.
• Is voltage between 3Q terminal at the PCM
connector and body ground greater than
10.5 V?
4 • Check the HOLD indicator light.
• Is HOLD indicator light okay?
End Of Sie
NO.28 HOLD INDICATOR LIGHT ILLUMINATES WHEN HOLD SWITCH IS NOT TURNED TO ON
28 HOLD indicator light illuminates when HOLD switch is not turned to ON
DESCRIPTION • HOLD indicator light in dashboard illuminates even though HOLD switch is turned off and IG SW at ON.
POSSIBLE • HOLD switch or related wiring harness malfunction.
CAUSE
Diagnostic procedure
STEP
1 • Check the HOLD switch
(See K–13 HOLD SWITCH
• Is HOLD switch okay?
2 • Disconnect PCM.
• Turn ignition switch off.
• Is resistance between 3Q terminal at the
PCM connector and body ground greater
than 10 kilohms?
End Of Sie
TROUBLESHOOTING
INSPECTION
INSPECTION.)
INSPECTION
INSPECTION.)
Yes Inspect meter fuse.
No Go to net step.
Yes Go to net step.
No Repair or replace any defective parts.
Yes Replace PCM.
No Reconnect PCM.
Go to net step.
Yes Inspect for open circuit or disconnected connector in
harness between the following:
• Ignition switch and HOLD indicator light
• HOLD indicator light and PCM
No Repair or replace any defective parts.
Yes Go to net step.
No Repair or replace any defective parts.
Yes Replace PCM.
No Repair short circuit between HOLD indecator light and PCM.
Reconnect PCM.
ACTION
A6E568001030W32
ACTION
K–131
K