Toyota CH-R Service Manual: Engine Oil Pressure Switch Circuit

HINT:

• The combination meter assembly receives various vehicle information signals from the ECM via CAN communication in order to output warnings.
• The combination meter assembly operates the following to output oil pressure warnings:
  1. Engine oil pressure warning light
  2. Engine oil pressure warning buzzer
  3. Engine oil pressure warning message on multi-information display

NOTICE:

• The following troubleshooting procedure is based on the assumption that the ECM is normal. Confirm that the SFI system is not malfunctioning before performing the following procedure.
  • w/ Canister Pump Module:

    Click here

  • w/o Canister Pump Module:

    Click here

• When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

Meter Illumination is Always Dark

DESCRIPTION The combination meter assembly receives signals from this circuit to adjust the illumination of the combination meter assembly. The combination meter assembly sets the illumination le ...

Steering Pad Switch Circuit

DESCRIPTION The combination meter assembly and steering pad switch assembly are connected via direct line. The main display and multi-information display in the combination meter assembly are ope ...

Other materials:

Toyota CH-R Service Manual > Navigation System: Extension Module Disconnected 2 (B1543)
DESCRIPTION If the radio and display receiver assembly cannot detect the navigation ECU for a certain period of time (90 seconds) after the engine switch is turned on (ACC) and the radio and display receiver assembly confirms that the information is missing by checking past navigation ECU rec ...

Toyota CH-R Service Manual > Blind Spot Monitor System: Short to GND in Outer Mirror Indicator(Master) (C1AB2)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH (Master) detects a short to ground in the outer rear view mirror indicator LH. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB2 Short to G ...