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Transmission Control System (Smoother) 7A-151 5 1. Connect a test lamp between the ground circuit of the 1-3-5 shift solenoid valve harness 2. Turn ON the ignition. Does the test lamp illuminate? — Go to Step 9 Go to Step 8 6 1. Test the voltage feed circuit between the transmission control module (TCM) (pins 4 2. Test the control circuit between the TCM (pins 21 and 31 of B-425 connector) and the 1-3-5 3. Repair the circuit(s) as necessary. Did you find and correct the condition? — Go to Step 13 Go to Step 10 7 Important: 1. Test the control circuit between the TCM (pins 21 and 31 of B-425 connector) and the 1-3-5 2. Repair the circuit(s) as necessary. Did you find and correct the condition? — Go to Step 13 Go to Step 12 8 1. Test the ground circuit between the 1-3-5 shift solenoid (pin 1 of J-235 connector) and 2. Test the ground circuit between the TCM (pins 6 and 7 of B-425 connector) and chassis 3. Repair the circuit(s) as necessary. Did you find and correct the condition? — Go to Step 13 Go to Step 10 9 1. Turn OFF the ignition. harness connector. 3. Inspect for an intermittent and for poor connections at the harness connector of the 1- 4. Repair the connection(s) as necessary. Did you find and correct the condition? — Go to Step 13 Go to Step 11 10 1. Turn OFF the ignition. connections on the 1-3-5 shift solenoid circuits 4. Repair the connection(s) as necessary. Did you find and correct the condition? — Go to Step 13 Go to Step 12 Step Action Value(s) Yes No |