PINPOINT TEST G532451p2 : FORWARD ALERT SWITCH CIRCUIT TEST

Pinpoint Tests

PINPOINT TEST G532451p2 : FORWARD ALERT SWITCH CIRCUIT TEST

G532451t3 : CHECK THE FORWARD ALERT SWITCH CIRCUIT FOR SHORT CIRCUIT TO GROUND
1. Turn the ignition switch to the OFF position.
2. Disconnect the ACC module connector IP78.
3. Disconnect the forward alert switch connector IP50.
4. Measure the resistance between the ACC module connector, pin 20 (U) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short to ground. CLEAR the DTC. TEST the system for normal operation.

-> NO
INSTALL a new forward alert switch. CLEAR the DTC. TEST the system for normal operation. If the DTC is repeated, INSTALL a new ACC module.