Mazda 6 2002 Workshop Manual page 285

STEP
9 Is there continuity between PCM terminal 4I and
starter relay with clutch pedal depressed (MTX
with starter interlock system), P or N position
(ATX)?
10 Inspect following:
• Battery connection
• Battery condition
• Transale is in Park or Neutral. (ATX)
• Clutch is fully depressed. (MTX with starter
interlock system)
• Fuses
Are all items okay?
11 Is clicking sound heard from starter when
ignition switch is turned to START?
12 Inspect starting system.
(See G–13 STARTER
Is starting system okay?
13 Do any other electrical accessories work?
14 Note
• Following test should be performed on
ATX only. For MTX, go to net step.
Connect WDS or equivalent to DLC-2.
Access TR PID.
Turn ignition switch to ON position.
Is TR PID indicated P/N when selecting P or N
position?
15 Connect WDS or equivalent to DLC-2.
Retrieve any continuous memory DTCs.
Are there any continuous memory DTCs
displayed?
16 Retrieve any KOEO DTCs.
Are there DTCs displayed during KOEO
inspection?
17 Verify test results.
• If okay, return to diagnostic inde to service any additional symptoms.
• If malfunction remains, replace PCM.
End Of Sie
F–188
TROUBLESHOOTING
INSPECTION
INSPECTION.)
RESULTS
Yes Go to net step.
No Repair replace wiring harness.
Yes Go to net step.
No Service as necessary.
Repeat Step 10.
Yes Go to net step.
No Go to Step 13.
Yes Inspect for seized/hydrolocked engine, flywheel or
drive plate.
(See H–15 FLYWHEEL
No Repair or replace components as required.
Yes Go to net step.
No Inspect charging system.
(See G–4 BATTERY
(See G–7 GENERATOR
Yes Go to net step.
No Inspect adjustment of TR switch.
If TR switch is adjusted properly, inspect for open
circuit between TR switch and PCM terminal 1W or
starter.
Yes DTC is displayed:
Go to appropriate DTC test.
Communication error message is displayed:
Inspect for following:
• Open circuit between main relay and PCM terminal
2Y or 4V
• Open circuit between main relay terminal E and
PCM terminal 2X
• Main relay is stuck open.
• Open or poor GND circuit (PCM terminal 4X, 2AB
or 2AC)
• Poor connection of vehicle body GND
No No DTC is displayed:
Inspect following:
• START circuit in ignition switch
• Open circuit between ignition switch and starter
• Starter interlock switch (MTX with stater interlock
system)
Yes DTC is displayed:
Go to appropriate DTC test.
No No DTC is displayed:
Inspect following:
• START circuit in ignition switch
• Open circuit between ignition switch and starter
• Starter interlock switch (MTX with stater interlock
system)
ACTION
INSPECTION.)
INSPECTION.)
INSPECTION.)