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7A2-110 TRANSMISSION CONTROL SYSTEM (AW30–40LE)
Conditions For Clearing The DTC • The DTC can be cleared from the TCM history by using a scan tool. • The DTC will be cleared from history when the vehicle has achieved 40 warm-up cycles without a • After more than 1 second has elapsed after the ignition key has been turned “ON”, short between
Diagnostic Aids • Inspect the wiring for poor electrical connection at the TCM. Look for possible bent, backed out, deformed • When diagnosing for a possible intermittent short or open condition, move the wiring harness while
Circuit/System Testing DTC P2773 or P2774 Step Action Value(s) YES NO 1
Was the On-Board Diagnostic (OBD) System Check performed? — Go to Step 2 Go to OBD System Check 2 1. Install a scan tool. 2. Turn “ON” the ignition. 3. Review and record scan tool data. 4. Operate the vehicle within scan tool data.
Does a scan tool indicate DTC P2773 or P2774? — Go to Step 3 Refer to Diagnostic Aids 3 Observe the 4L signal data of the TCM on the scan 1. Turn “ON” the ignition with engine “ON”. 2. Perform the road testing. 3. Check the 4L signal data on a scan tool.
Was the problem found? — Go to Step 4 Refer to Diagnostic Aids 4 Observe the 4L signal data of the TCM on a scan tool. 1. Turn “ON” the ignition with engine “ON”. 2. Perform the road testing. 3. Check the 4L signal data on a scan tool.
Is the 4L signal fixed “ON”? (DTC P2773) — Go to Step 6 Go to Step 5 5 Observe the 4L signal data of the TCM on a scan tool. 1. Turn “ON” the ignition with engine “ON”. 2. Perform the road testing. 3. Check the 4L signal data on a scan tool.
Is the 4L signal fixed “OFF”? (DTC P2774) — Go to Step 6 Go to Step 8 6 Replace or Repair the wire between the TCM terminal
Is the action complete? — Go to Step 9 — |