Acura TSX / Honda Accord CL. Instruction — page 975

Fig. 177: Checking For Continuity Between A/T Clutch Pressure Control Solenoid Valve B
Connector Terminal No. 2 & Body Ground

10. Turn the ignition switch ON (II).

11. Measure the voltage between A/T clutch pressure control solenoid valve B connector terminals No. 1 and

No. 2.

Is there about 11 V as the ignition switch is turned to the ON (II) position?

YES: Update the PCM if it does not have the latest software, or substitute a known-good
PCM (see PCM UPDATING & SUBSTITUTION FOR TESTING ), then recheck. If the
symptom/indication goes away with a known-good PCM, replace the original PCM.

NO: Repair open or short in the wire between PCM connector terminal C15 and A/T clutch

2004 Acura TSX

2004 AUTOMATIC TRANSMISSIONS Diagnosis — MCTA 5-Speed

pressure control solenoid valve B, then go to step 12.

Fig. 178: Measuring The Voltage Between A/T Clutch Pressure Control Solenoid Valve B
Connector Terminals No. 1 & No. 2

12. Clear the DTC with the HDS.

13. Test-drive the vehicle for several minutes in the D position in all five gears.

14. Check the OBD STATUS in DTCs MENU for a pass/fail test of code P0966.

Did the result indicate a pass?

YES: The problem has been corrected.

NO: Return to step 1 and recheck.

DTC P0967: PROBLEM IN A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B

2004 Acura TSX

2004 AUTOMATIC TRANSMISSIONS Diagnosis — MCTA 5-Speed

1. Clear the DTC with the HDS.

2. Check that DTC P0967 recurs.

Is DTC P0967 indicated?

YES: Go to step 6 .

NO: Go to step 3.

3. Select P CTRL SOL CONTROL in MISC. TEST MENU, then select P. CONTROL SOL B in P CTRL

SOL CTRL MENU with the HDS.

4. Drive with the A/T clutch pressure control solenoid valve B at 0.2 A in SOL B CONTROL menu.

5. Check the OBD STATUS in DTCs MENU for a pass/fail test of code P0967.

Did the result indicate a fail?

YES: Go to step 6.

NO: Intermittent failure, the system is OK at this time. Check for poor connections or loose
terminals at the A/T clutch pressure control solenoid valve B and PCM. If the tester indicates
NOT COMPLETE, return to step 3 and recheck.

6. Turn the ignition switch OFF.

7. Disconnect the A/T clutch pressure control solenoid valve B connector.

8. Measure A/T clutch pressure control solenoid valve B resistance at the solenoid connector.

Is there 3-10 ohm?

YES: Go to step 9.

NO: Replace the A/T clutch pressure control solenoid valve B (see A/T CLUTCH
PRESSURE CONTROL SOLENOID VALVE B & C REPLACEMENT
), then go to
step 12 .

NOTE:

z

Record all freeze data and review General Troubleshooting Information
(see GENERAL TROUBLESHOOTING INFORMATION ) before you
troubleshoot.

z

This code is caused by an electrical circuit problem and cannot be caused
by a mechanical problem in the transmission.

2004 Acura TSX

2004 AUTOMATIC TRANSMISSIONS Diagnosis — MCTA 5-Speed

Fig. 179: Measuring A/T Clutch Pressure Control Solenoid Valve B Resistance At The
Solenoid Connector

9. Check for continuity between A/T clutch pressure control solenoid valve B connector terminal No. 2 and

body ground.

Is there continuity?

YES: Update the PCM if it does not have the latest software, or substitute a known-good
PCM (see PCM UPDATING & SUBSTITUTION FOR TESTING ), then recheck. If the
symptom/indication goes away with a known-good PCM, replace the original PCM.

NO: Repair open in the wire between the A/T clutch pressure control solenoid valve B and
ground (G101), or repair poor ground (G101), then go to step 12 .

2004 Acura TSX

2004 AUTOMATIC TRANSMISSIONS Diagnosis — MCTA 5-Speed

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