Mazda 626 - Page 281

ON-BOARD DIAGNOSTIC
STEP
INSPECTION ACTION
6 INSPECT TR SWITCH FOR OPEN
• Turn ignition key to OFF.
• Disconnect TR switch connector.
• Inspect for continuity between TR switch
terminals (part-side).
— D range: I and G
— S range: I and F
— L range: I and E
— R position: I and C
• Is there continuity between TR switch
terminals (part-side)?
(See K2-30 TRANSAXLE RANGE (TR) SWITCH
INSPECTION.)
Yes Go to Step 10.
No
Replace TR switch, then go to Step 10.
(See K2-31 TRANSAXLE RANGE (TR) SWITCH
REMOVAL/INSTALLATION.)
7 INSPECT TR SWITCH POWER CIRCUIT FOR
OPEN
• Inspect voltage at TR switch terminal I
(harness-side).
• Is there B+ at TR switch terminal 1
(harness-side)?
Yes
Go to next step.
No
Inspect main fuse.
• If okay, repair or replace wiring, then go to Step 10.
8
INSPECT POOR CONNECTION OF PCM
CONNECTOR
• Turn ignition key to OFF.
• Check for poor connection (damaged/
pulled-out terminals, corrosion, etc.).
• Is connection okay?
Yes
Go to next step.
No
Repair or replace connector and/or terminals, then go to
Step 10.
9
INSPECT TR SWITCH SIGNAL CIRCUIT FOR
OPEN
• Inspect for continuity between TR switch
terminals (harness-side) and PCM terminals
(harness-side).
— D range: G to 6
— S range: F to 9
— L range: E to 7
— R position: C to 32
• Is there continuity?
Yes Go to next step.
No
Repair or replace harness, then go to next step.
10
VERIFY TROUBLESHOOTING OF DTC P0706
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from memory using NGS tester.
• Access RPM, VS, D SW, S SW, L SW, and R
SW, PIDs using NGS tester.
• Drive vehicle in each range (D, S, L, and R)
for 100 seconds or more under following
conditions while monitoring PIDs.
— RPM PID: 530 rpm or above
— VS PID: 20 km/h {12 mph} or above
• Is same DTC present?
Yes
Replace PCM, then go to next step.
(See Section F1.)
No Go to next step.
11
VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure”.
(See K2-61 AFTER REPAIR PROCEDURE.)
• Is there any DTC present?
Yes
Go to applicable DTC inspection.
No Troubleshooting completed.