Suzuki XL7 2007 Service Manual page 1542

5A-132 Automatic Transmission:
Reference Information
Schematic Reference
"Automatic Transmission Controls Schematics"
Connector End View Reference
• "Automatic Transmission Inline Harness Connector
End View"
• "Automatic Transmission Internal Connector End
Views"
• "Automatic Transmission Related Connector End
Views"
Electrical Information Reference
• "Circuit Testing: "
• "Connector Repairs: "
• "Testing for Intermittent Conditions and Poor
Connections: "
• "Wiring Repairs: "
DTC Type Reference
• "Diagnostic Trouble Code (DTC) Type Definitions"
• "Diagnostic Trouble Code (DTC) List/Type"
Scan Tool Reference
• "Scan Tool Output Controls - Automatic Transaxle -
AF33-5"
• "Scan Tool Data List - Automatic Transaxle - AF33-5"
• "Scan Tool Data Definitions - Automatic Transaxle -
AF33-5"
Circuit/System Verification
1. Ignition ON, observe the DTC information with a
scan tool.
2. Record Freeze Frame and Failure Records.
3. Clear DTCs.
4. Operate the vehicle under the conditions observed in
the Failure Records.
5. Observe the DTC information with the scan tool.
Verify that the DTC does not set.
Circuit/System Testing
1. Operate the vehicle in D.
2. Using the scan tool record the gear ratio while
accelerating in 4th gear. The gear ratio should be
within 1.04:1-1.56:1.
➢ If the 4th gear ratio is 1.00:1, inspect and repair the
control valve body assembly for the following
conditions. Refer to "Control Valve Body Assembly
Disassemble".
– Stuck 2-3, 3-4 shift solenoid valve assembly
– Stuck M2 shift valve
If the conditions test normal, replace the control
valve body assembly, Refer to "Control Valve
Body Replacement" procedure.
➢ If the 4th gear ratio is not within the specified range
and is not 1.00:1, continue to step 3.
3. Observe the scan tool Transmission OSS parameter
while driving the vehicle. The reading should
correspond to a known properly functioning OSS.
➢ If the OSS is malfunctioning, replace the
Transmission Output Speed Sensor (OSS). refer to
the "Output Speed Sensor Replacement"
procedure.
4. Stop the vehicle, apply the parking brake, engine at
idle, select P (park) using the Shift Control.
5. Observe the scan tool Transmission ISS parameter.
The reading should be within 400-800 RPM.
➢ If the ISS parameter is not within the specified
range, replace the Transmission Input Speed
Sensor (ISS). Refer to the "Input Speed Sensor
Replacement" procedure.
6. Ignition ON, engine OFF, command shift solenoid 1
ON and OFF with a scan tool. The solenoid should
click when commanded ON.
➢ If the solenoid does not click, replace the 1st shift
solenoid valve assembly. Refer to "Control Valve
Body Assembly Disassemble".
7. Command shift solenoid 3 ON and OFF with a scan
tool. The solenoid should click when commanded
ON.
➢ If the solenoid does not click, replace the 1-2, 2-3,
reverse shift solenoid valve assembly. Refer to
"Control Valve Body Assembly Disassemble".
8. Perform a line pressure test. Refer to "Line Pressure
Check" procedure.
9. Remove the control valve body cover. Refer to
"Control Valve Body Cover Removal" procedure.
10. Inspect the inside of the control valve body cover for
excessive sediment. There should not be excessive
sediment.
➢ If excessive sediment is found inspect and replace
as necessary the 4-5 clutch and forward clutch.
Refer to "4-5 Clutch Drum Assembly Assemble"
and "Forward and Direct Clutch Assembly
Assemble" procedures.
11. Inspect the control valve body assembly for the
following conditions. Refer to "Control Valve Rear
Body Disassemble" and "Middle Control Valve Body
Disassemble". The conditions should not be found.
– Stuck U1 shift valve
– Stuck M1 shift valve
– Stuck U2 shift valve
– Stuck shift pressure relay valve
– Stuck neutral relay valve
– Stuck line pressure control solenoid valve
assembly
➢ If any of the above conditions are found, replace
the valve body assembly. Refer to "Control Valve
Body Replacement" procedure.