Mazda CX 7. Manual — part 232
ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
05-02–37
05-02
3
INSPECT VOLTAGE OF STARTER RELAY NO.2
CIRCUIT
• Turn the ignition switch to the ON position
(engine off).
• Shift the selector lever to P or N position.
• Inspect for voltage TCM connector terminal A5
(wiring harness-side).
• Is the voltage 0 V?
Yes
Go to go to Step 5.
No
Go to the next step.
4
INSPECT TCM CONNECTOR FOR POOR
CONNECTION
• Disconnect the TCM connector.
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Are terminals normal?
Yes
Go to Step 12.
No
Replace the couple component, then go to Step 12.
5
INSPECT VOLTAGE OF STARTER RELAY NO.2
CIRCUIT
• Shift the selector lever to D range or R position.
• Inspect for voltage TCM connector terminal A5
(wiring harness-side).
• Is the voltage B+?
Yes
Go to go to Step 12.
No
Go to the next step.
6
INSPECT VOLTAGE OF STARTER RELAY NO.2
TERMINAL E
• Inspect for voltage starter relay No.2 terminal E
(wiring harness-side).
• Is the voltage B+?
Yes
Go to the next step.
No
Repair or replace the wiring harness, then go to Step 12.
7
INSPECT STARTER RELAY NO.2 FOR POOR
CONNECTION
• Turn the ignition switch to the LOCK position.
• Disconnect the starter relay No.2 connector.
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Are terminals normal?
Yes
Go to the next step.
No
Replace the couple component, then go to Step 12.
8
INSPECT STARTER RELAY NO.2
• Inspect the starter relay No.2.
(See 09-21-4 RELAY INSPECTION)
• Is the relay normal?
Yes
Go to the next step.
No
Replace the starter relay No.2, then go to Step 12.
9
INSPECT STARTER RELAY NO.2 CIRCUIT FOR
OPEN CIRCUIT
• Inspect for continuity between TCM connector
terminal A5 and starter relay No.2 terminal A
(wiring harness-side).
• Is there continuity?
Yes
Go to the next step.
No
Repair or replace the harness, then go to Step 12.
10
INSPECT STARTER RELAY NO.2 CIRCUIT FOR
SHORT TO GROUND
• Inspect for continuity between starter relay
No.2 terminal A (wiring harness-side) and body
ground.
• Is there continuity?
Yes
Repair or replace the harness, then go to Step 12.
No
Go to the next step.
11
INSPECT STARTER RELAY NO.2 CIRCUIT FOR
SHORT TO POWER
• Turn the ignition switch to the ON position
(engine off).
• Inspect the voltage at starter relay No.2
terminal A (wiring harness-side).
• Is the voltage 0 V?
Yes
Go to the next step.
No
Repair or replace the wiring harness, then go to Step 12.
12
VERIFY TROUBLESHOOTING OF DTC P0817
COMPLETED
• Make sure to reconnect all the disconnected
connectors.
• Clear the DTC from the memory using the M-
MDS.
• Drive the vehicle in D range.
• Is same DTC present?
Yes
Replace the TCM, then go to the next step.
(See 05-17-25 TCM REMOVAL/INSTALLATION[AW6A-EL,
AW6AX-EL].)
No
Go to the next step.
STEP
INSPECTION
ACTION
1871-1U-06B(05-02).fm 37 ページ 2006年3月15日 水曜日 午前11時18分
ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
05-02–38
End Of Sie
DTC P0819[AW6A-EL, AW6AX-EL]
id050211802700
13
VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
(See 05-02-4 AFTER REPAIR
PROCEDURE[AW6A-EL, AW6AX-EL].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See 05-02-5 DTC TABLE[AW6A-EL, AW6AX-EL].)
No
DTC troubleshooting completed.
STEP
INSPECTION
ACTION
DTC P0819
Manual switch/up switch/down switch circuit malfunction (open circuit/short circuit)
DETECTION
CONDITION
• Any of the following conditions are detected for 10 s or more when engine is running:
— 5 V detected at TCM terminals A7 when in any position except D or M range.
— 0 V detected at TCM terminal A7 when 5 V are input to TCM terminal A3 or A4.
Diagnostic support note:
• The MIL does not illuminate if the TCM detects the above malfunction condition during the first drive cycle.
• A PENDING CODE is not available.
• FREEZE FRAME DATA is available.
• The AT warning light illuminates.
• The DTC is stored in the TCM memory.
POSSIBLE
CAUSE
• M range switch malfunction
• Up switch malfunction
• Down switch malfunction.
• Open circuit in wiring harness between selector lever component terminal A and TCM terminal A3
• Open circuit in wiring harness between selector lever component terminal B and TCM terminal A4
• Open circuit in wiring harness between selector lever component terminal C and TCM terminal A7
• Open circuit in wiring harness between selector lever component terminal D and ground
• Short to ground in wiring harness between selector lever component terminal A and TCM terminal A3
• Short to ground in wiring harness between selector lever component terminal B and TCM terminal A4
• Short to ground in wiring harness between selector lever component terminal C and TCM terminal A7
• Damaged connector between selector lever component and TCM
• TCM malfunction
A
A3
SELECTOR LEVER COMPONENT
WIRING HARNESS-SIDE CONNECTOR
TCM
SELECTOR LEVER
COMPONENT
M RANGE
SWITCH
UP
SWITCH
DOWN
SWITCH
B
C
D
A4
A7
A
B
C
D
4
3
5
4
3
5
4
3
5
6
7
9
8
A7
A4
A3
5
6
9
6
9
TCM WIRING HARNESS-SIDE CONNECTOR
1871-1U-06B(05-02).fm 38 ページ 2006年3月15日 水曜日 午前11時18分
ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
05-02–39
05-02
Diagnostic procedure
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has the FREEZE FRAME DATA been
recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order,
then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Verify related Service Bulletins and/or on-line
repair information availability.
• Is any related repair information available?
Yes
Perform repair or diagnosis according to the available
repair information.
• If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
INSPECT VOLTAGE OF M RANGE SWITCH, UP
SWITCH, AND DOWN SWITCH CIRCUIT
• Turn the ignition switch to the ON position.
(engine off)
• Shift the selector lever to any except M range.
• Inspect for voltage between TCM connector
terminals (wiring harness-side)
— Terminal A7 and ground (M range switch)
— Terminal A3 and ground (up switch)
— Terminal A4 and ground (down switch)
• Is the voltage B+?
Yes
Go to go to Step 10.
No
Go to the next step.
4
INSPECT TCM CONNECTOR FOR POOR
CONNECTION
• Disconnect the TCM connector.
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Are terminals normal?
Yes
Go to the next step.
No
Replace the couple component, then go to Step 10.
5
INSPECT SELECTOR LEVER COMPONENT
FOR POOR CONNECTION
• Disconnect the selector lever component
connector.
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Are terminals normal?
Yes
Go to the next step.
No
Replace the couple component, then go to Step 10.
6
INSPECT M RANGE SWITCH, UP SWITCH, AND
DOWN SWITCH CIRCUIT FOR SHORT TO
GROUND
• Inspect for continuity between selector lever
component terminals (wiring harness-side) and
body ground.
— Terminal C and body ground (M range
switch)
— Terminal A and body ground (up switch)
— Terminal B and body ground (down switch)
• Is there continuity?
Yes
Repair or replace the harness, then go to Step 10.
No
Go to the next step.
7
INSPECT M RANGE SWITCH, UP SWITCH, AND
DOWN SWITCH
• Inspect the M range switch, up switch, and
down switch.
(See 05-18-6 SELECTOR LEVER
COMPONENT INSPECTION)
• Are the switches normal?
Yes
Go to the next step.
No
Replace the selector lever, then go to Step 10.
(See 05-18-7 SELECTOR LEVER COMPONENT
REMOVAL/INSTALLATION.)
8
INSPECT M RANGE SWITCH, UP SWITCH, AND
DOWN SWITCH CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between selector lever
component terminal D (wiring harness-side)
and body ground.
• Is there continuity?
Yes
Go to the next step.
No
Repair or replace the harness, then go to Step 10.
1871-1U-06B(05-02).fm 39 ページ 2006年3月15日 水曜日 午前11時18分
ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL]
05-02–40
End Of Sie
DTC P0882[AW6A-EL, AW6AX-EL]
id050211802800
9
INSPECT M RANGE SWITCH, UP SWITCH, AND
DOWN SWITCH CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between TCM connector
terminals and selector lever component
terminals (wiring harness-side).
— Terminal A7 and terminal C (M range switch)
— Terminal A3 and terminal A (up switch)
— Terminal A4 and terminal B (down switch)
• Is there continuity?
Yes
Go to the next step.
No
Repair or replace the harness, then go to the next step.
10
VERIFY TROUBLESHOOTING OF DTC P0819
COMPLETED
• Make sure to reconnect all the disconnected
connectors.
• Clear the DTC from the memory using the M-
MDS.
• Drive the vehicle in M range, and change gears
by shifting the selector lever (operating the up
and down switches).
• Is same DTC present?
Yes
Replace the TCM, then go to the next step.
(See 05-17-25 TCM REMOVAL/INSTALLATION[AW6A-EL,
AW6AX-EL].)
No
Go to the next step.
11
VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
(See 05-02-4 AFTER REPAIR
PROCEDURE[AW6A-EL, AW6AX-EL].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See 05-02-5 DTC TABLE[AW6A-EL, AW6AX-EL].)
No
DTC troubleshooting completed.
STEP
INSPECTION
ACTION
DTC P0882
TCM B+ low
DETECTION
CONDITION
• Voltage of less than 9 V detected at TCM terminals A1 and A11 when engine is running.
Diagnostic support note:
• This is a continuous monitor (CCM).
• The MIL does not illuminate if the TCM detects the above malfunction condition during the first drive cycle.
• A PENDING CODE is not available.
• FREEZE FRAME DATA is available.
• The AT warning light not illuminates.
• The DTC is stored in the TCM memory.
POSSIBLE
CAUSE
• Melted METER IG 15 A fuse
• Melted TCM 10 A fuse
• Open circuit in wiring harness between TCM 10 A fuse and TCM terminal A1
• Open circuit in wiring harness between METER IG 15 A fuse and TCM terminal A11
• Open circuit in wiring harness between TCM terminal A9 and body ground
• Short to ground in wiring harness between TCM 10 A fuse and TCM terminal A1
• Short to ground in wiring harness between ROOM 15 A fuse and TCM terminal A11
• Poor connection of TCM connector
• TCM malfunction
TCM
A1
3
IG1
B+
A11
METER IG 15 A
FUSE
TCM 10 A
FUSE
A9
8
5
3
6
A1
A11
A9
7
7
4
7
4
5 6
TCM WIRING HARNESS-
SIDE CONNECTOR
1871-1U-06B(05-02).fm 40 ページ 2006年3月15日 水曜日 午前11時18分
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст