Test Z: The Tow Haul Indicator Is Never/Always On

PINPOINT TEST Z: THE TOW HAUL INDICATOR IS NEVER/ALWAYS ON

Normal Operation
The tow haul function is controlled by the tow haul switch located on the shifter assembly. The tow haul status is transmitted to the instrument cluster (IC) from the PCM over the high speed controller area network (HS-CAN).

This pinpoint test is intended to diagnose the following:
- PCM
- Instrument cluster (IC)

Z1:

Z2-Z5: