2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 669
3. Disconnect battery negative cable (1).
4. Install jumper cable (A) between battery negative terminal and body ground.
5. Turn ignition switch ON.
6. Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace battery negative cable assembly.
ASCD Steering Switch
P1564 ASCD STEERING SWITCH
Description
ASCD steering switch has variant values of electrical resistance for each button. ECM reads voltage variation of switch, and determines which
button is operated. See: Powertrain Management/Computers and Control Systems/Description and Operation/Automatic Speed Control Device
(ASCD)/System Description for the ASCD function.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1564 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. See: P Code Charts/P0605.
