Flow Chart No. 1: One-Touch Window Feature Inoperative

Flow Chart No. 1 - Symptom - One-touch window feature inoperative - DTC B1398, Bl400, B1404, B1410.

Step 1
Preliminary checks.
1. Check connections for clean, tight fit and loose or damaged wires.




2. Are connections and wiring OK?

Step 2
On-demand self test.




1. Connect NGS Tester 49 T088 0A0 to data link connector (DLC).
2. Retrieve continuous DTCs.




3. Perform on-demand self test.




4. Which DTC is received?

Step 3
Check Y/R circuit.
1. Read PID LFPWRLY.




2. Does tester indicate Off O-G?

Step 4
Check LB/B circuit.
1. Check for open in LB/B circuit between one-touch relay and power window main switch.




2. Is circuit OK?

Step 5
Check GY circuit.
1. Disconnect battery ground cable.

NOTE
^ Some abnormal drive conditions may occur after battery has been disconnected and reconnected. The vehicle may need to be driven 16 km (10 miles) or more for the PCM to relearn its adaptive strategy.
2. Check for open in GY circuit between pin 10 of 18-pin GEM connector and driver side window motor.




3. Is circuit OK?