ON-VEHICLE INSPECTION
PROCEDURE
1. OPERATION CHECK
(a) Slide the clip and disconnect the union to connector tube hose from the vacuum pump assembly.
(b) Connect the hose of a vacuum gauge to the vacuum pump assembly. |
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(c) Start the engine and warm it up for more than 2 minutes.
(d) With the engine idling, measure the negative pressure of the vacuum pump assembly.
Standard Pressure:
Higher than 86.7 kPa (650 mmHg, 25.6 in.Hg)
If the pressure is less than the standard, disassemble and inspect the vacuum pump. If necessary, replace the vacuum pump assembly.
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HINT:
Always perform this operation check procedure after replacing or servicing the vacuum pump assembly.
(e) Remove the vacuum gauge from the vacuum pump assembly.
(f) Connect the union to connector tube hose to the vacuum pump assembly, and slide the clip to secure it.
Toyota CH-R Service Manual > Can Communication System: Check Bus 2 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central
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Toyota CH-R Service Manual > Continuously Variable Transaxle System: Diagnosis System
DIAGNOSIS SYSTEM
OBD II (w/ Canister Pump Module)
(a) When troubleshooting OBD II (On-Board Diagnostics) vehicles, an OBD II scan
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